640193400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 576

約数和(自身を含む): 2785536000

約数和(自身を除く): 2145342600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 25, 28, 30, 31, 33, 35, 36, 40, 42, 44, 45, 50, 55, 56, 60, 62, 63, 66, 70, 72, 75, 77, 84, 88, 90, 93, 99, 100, 105, 110, 120, 124, 126, 132, 140, 149, 150, 154, 155, 165, 168, 175, 180, 186, 198, 200, 210, 217, 220, 225, 231, 248, 252, 264, 275, 279, 280, 298, 300, 308, 310, 315, 330, 341, 350, 360, 372, 385, 396, 420, 434, 440, 447, 450, 462, 465, 495, 504, 525, 550, 558, 596, 600, 616, 620, 630, 651, 660, 682, 693, 700, 744, 745, 770, 775, 792, 825, 840, 868, 894, 900, 924, 930, 990, 1023, 1043, 1050, 1085, 1100, 1116, 1155, 1192, 1240, 1260, 1302, 1320, 1341, 1364, 1386, 1395, 1400, 1490, 1540, 1550, 1575, 1639, 1650, 1705, 1736, 1788, 1800, 1848, 1860, 1925, 1953, 1980, 2046, 2086, 2100, 2170, 2200, 2232, 2235, 2310, 2325, 2387, 2475, 2520, 2604, 2682, 2728, 2772, 2790, 2980, 3069, 3080, 3100, 3129, 3150, 3255, 3278, 3300, 3410, 3465, 3576, 3720, 3725, 3850, 3906, 3960, 4092, 4172, 4200, 4340, 4470, 4619, 4620, 4650, 4774, 4917, 4950, 5115, 5208, 5215, 5364, 5425, 5544, 5580, 5775, 5960, 6138, 6200, 6258, 6300, 6510, 6556, 6600, 6705, 6820, 6930, 6975, 7161, 7450, 7700, 7812, 8184, 8195, 8344, 8525, 8680, 8940, 9238, 9240, 9300, 9387, 9548, 9765, 9834, 9900, 10230, 10430, 10728, 10850, 11160, 11175, 11473, 11550, 11935, 12276, 12516, 12600, 13020, 13112, 13410, 13640, 13857, 13860, 13950, 14322, 14751, 14900, 15345, 15400, 15624, 15645, 16275, 16390, 17050, 17325, 17880, 18476, 18600, 18774, 19096, 19530, 19668, 19800, 20460, 20860, 21483, 21700, 22350, 22946, 23095, 23100, 23870, 24552, 24585, 25032, 25575, 26040, 26075, 26820, 27714, 27720, 27900, 28644, 29502, 29800, 30690, 31290, 32333, 32550, 32780, 33525, 34100, 34419, 34650, 35805, 36952, 37548, 39060, 39336, 40920, 40975, 41571, 41720, 42966, 43400, 44700, 45892, 46190, 46200, 46935, 47740, 48825, 49170, 50809, 51150, 52150, 53640, 55428, 55800, 57288, 57365, 59004, 59675, 61380, 62580, 64666, 65100, 65560, 67050, 68200, 68838, 69285, 69300, 71610, 73755, 75096, 76725, 78120, 78225, 81950, 83142, 85932, 89400, 91784, 92380, 93870, 95480, 96999, 97650, 98340, 101618, 102300, 103257, 104300, 107415, 110856, 114730, 115475, 118008, 119350, 122760, 122925, 125160, 129332, 130200, 134100, 137676, 138570, 138600, 143220, 147510, 152427, 153450, 156450, 161665, 163900, 166284, 171864, 172095, 179025, 184760, 187740, 193998, 195300, 196680, 203236, 204600, 206514, 207855, 208600, 214830, 229460, 230950, 234675, 238700, 245850, 254045, 258664, 268200, 275352, 277140, 286440, 286825, 290997, 295020, 304854, 306900, 312900, 323330, 327800, 332568, 344190, 346425, 355663, 358050, 368775, 375480, 387996, 390600, 406472, 413028, 415710, 429660, 457281, 458920, 461900, 469350, 477400, 484995, 491700, 508090, 516285, 537075, 554280, 573650, 581994, 590040, 609708, 613800, 625800, 646660, 688380, 692850, 711326, 716100, 737550, 762135, 775992, 808325, 826056, 831420, 859320, 860475, 914562, 923800, 938700, 969990, 983400, 1016180, 1032570, 1039275, 1066989, 1074150, 1147300, 1163988, 1219416, 1270225, 1293320, 1376760, 1385700, 1422652, 1432200, 1454985, 1475100, 1524270, 1616650, 1662840, 1720950, 1778315, 1829124, 1877400, 1939980, 2032360, 2065140, 2078550, 2133978, 2148300, 2286405, 2294600, 2327976, 2424975, 2540450, 2581425, 2771400, 2845304, 2909970, 2950200, 3048540, 3200967, 3233300, 3441900, 3556630, 3658248, 3810675, 3879960, 4130280, 4157100, 4267956, 4296600, 4572810, 4849950, 5080900, 5162850, 5334945, 5819940, 6097080, 6401934, 6466600, 6883800, 7113260, 7274925, 7621350, 8314200, 8535912, 8891575, 9145620, 9699900, 10161800, 10325700, 10669890, 11432025, 11639880, 12803868, 14226520, 14549850, 15242700, 16004835, 17783150, 18291240, 19399800, 20651400, 21339780, 22864050, 25607736, 26674725, 29099700, 30485400, 32009670, 35566300, 42679560, 45728100, 53349450, 58199400, 64019340, 71132600, 80024175, 91456200, 106698900, 128038680, 160048350, 213397800, 320096700, 640193400]

約数ペア:

[(1, 640193400), (2, 320096700), (3, 213397800), (4, 160048350), (5, 128038680), (6, 106698900), (7, 91456200), (8, 80024175), (9, 71132600), (10, 64019340), (11, 58199400), (12, 53349450), (14, 45728100), (15, 42679560), (18, 35566300), (20, 32009670), (21, 30485400), (22, 29099700), (24, 26674725), (25, 25607736), (28, 22864050), (30, 21339780), (31, 20651400), (33, 19399800), (35, 18291240), (36, 17783150), (40, 16004835), (42, 15242700), (44, 14549850), (45, 14226520), (50, 12803868), (55, 11639880), (56, 11432025), (60, 10669890), (62, 10325700), (63, 10161800), (66, 9699900), (70, 9145620), (72, 8891575), (75, 8535912), (77, 8314200), (84, 7621350), (88, 7274925), (90, 7113260), (93, 6883800), (99, 6466600), (100, 6401934), (105, 6097080), (110, 5819940), (120, 5334945), (124, 5162850), (126, 5080900), (132, 4849950), (140, 4572810), (149, 4296600), (150, 4267956), (154, 4157100), (155, 4130280), (165, 3879960), (168, 3810675), (175, 3658248), (180, 3556630), (186, 3441900), (198, 3233300), (200, 3200967), (210, 3048540), (217, 2950200), (220, 2909970), (225, 2845304), (231, 2771400), (248, 2581425), (252, 2540450), (264, 2424975), (275, 2327976), (279, 2294600), (280, 2286405), (298, 2148300), (300, 2133978), (308, 2078550), (310, 2065140), (315, 2032360), (330, 1939980), (341, 1877400), (350, 1829124), (360, 1778315), (372, 1720950), (385, 1662840), (396, 1616650), (420, 1524270), (434, 1475100), (440, 1454985), (447, 1432200), (450, 1422652), (462, 1385700), (465, 1376760), (495, 1293320), (504, 1270225), (525, 1219416), (550, 1163988), (558, 1147300), (596, 1074150), (600, 1066989), (616, 1039275), (620, 1032570), (630, 1016180), (651, 983400), (660, 969990), (682, 938700), (693, 923800), (700, 914562), (744, 860475), (745, 859320), (770, 831420), (775, 826056), (792, 808325), (825, 775992), (840, 762135), (868, 737550), (894, 716100), (900, 711326), (924, 692850), (930, 688380), (990, 646660), (1023, 625800), (1043, 613800), (1050, 609708), (1085, 590040), (1100, 581994), (1116, 573650), (1155, 554280), (1192, 537075), (1240, 516285), (1260, 508090), (1302, 491700), (1320, 484995), (1341, 477400), (1364, 469350), (1386, 461900), (1395, 458920), (1400, 457281), (1490, 429660), (1540, 415710), (1550, 413028), (1575, 406472), (1639, 390600), (1650, 387996), (1705, 375480), (1736, 368775), (1788, 358050), (1800, 355663), (1848, 346425), (1860, 344190), (1925, 332568), (1953, 327800), (1980, 323330), (2046, 312900), (2086, 306900), (2100, 304854), (2170, 295020), (2200, 290997), (2232, 286825), (2235, 286440), (2310, 277140), (2325, 275352), (2387, 268200), (2475, 258664), (2520, 254045), (2604, 245850), (2682, 238700), (2728, 234675), (2772, 230950), (2790, 229460), (2980, 214830), (3069, 208600), (3080, 207855), (3100, 206514), (3129, 204600), (3150, 203236), (3255, 196680), (3278, 195300), (3300, 193998), (3410, 187740), (3465, 184760), (3576, 179025), (3720, 172095), (3725, 171864), (3850, 166284), (3906, 163900), (3960, 161665), (4092, 156450), (4172, 153450), (4200, 152427), (4340, 147510), (4470, 143220), (4619, 138600), (4620, 138570), (4650, 137676), (4774, 134100), (4917, 130200), (4950, 129332), (5115, 125160), (5208, 122925), (5215, 122760), (5364, 119350), (5425, 118008), (5544, 115475), (5580, 114730), (5775, 110856), (5960, 107415), (6138, 104300), (6200, 103257), (6258, 102300), (6300, 101618), (6510, 98340), (6556, 97650), (6600, 96999), (6705, 95480), (6820, 93870), (6930, 92380), (6975, 91784), (7161, 89400), (7450, 85932), (7700, 83142), (7812, 81950), (8184, 78225), (8195, 78120), (8344, 76725), (8525, 75096), (8680, 73755), (8940, 71610), (9238, 69300), (9240, 69285), (9300, 68838), (9387, 68200), (9548, 67050), (9765, 65560), (9834, 65100), (9900, 64666), (10230, 62580), (10430, 61380), (10728, 59675), (10850, 59004), (11160, 57365), (11175, 57288), (11473, 55800), (11550, 55428), (11935, 53640), (12276, 52150), (12516, 51150), (12600, 50809), (13020, 49170), (13112, 48825), (13410, 47740), (13640, 46935), (13857, 46200), (13860, 46190), (13950, 45892), (14322, 44700), (14751, 43400), (14900, 42966), (15345, 41720), (15400, 41571), (15624, 40975), (15645, 40920), (16275, 39336), (16390, 39060), (17050, 37548), (17325, 36952), (17880, 35805), (18476, 34650), (18600, 34419), (18774, 34100), (19096, 33525), (19530, 32780), (19668, 32550), (19800, 32333), (20460, 31290), (20860, 30690), (21483, 29800), (21700, 29502), (22350, 28644), (22946, 27900), (23095, 27720), (23100, 27714), (23870, 26820), (24552, 26075), (24585, 26040), (25032, 25575)]