638502480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 480

約数和(自身を含む): 2770656000

約数和(自身を除く): 2132153520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 108, 110, 112, 120, 121, 126, 132, 135, 140, 144, 154, 165, 168, 176, 180, 189, 198, 210, 216, 220, 231, 240, 242, 252, 264, 270, 280, 297, 308, 315, 330, 336, 349, 360, 363, 378, 385, 396, 420, 432, 440, 462, 484, 495, 504, 528, 540, 560, 594, 605, 616, 630, 660, 693, 698, 720, 726, 756, 770, 792, 840, 847, 880, 924, 945, 968, 990, 1008, 1047, 1080, 1089, 1155, 1188, 1210, 1232, 1260, 1320, 1386, 1396, 1452, 1485, 1512, 1540, 1584, 1680, 1694, 1745, 1815, 1848, 1890, 1936, 1980, 2079, 2094, 2160, 2178, 2310, 2376, 2420, 2443, 2520, 2541, 2640, 2772, 2792, 2904, 2970, 3024, 3080, 3141, 3267, 3388, 3465, 3490, 3630, 3696, 3780, 3839, 3960, 4158, 4188, 4235, 4356, 4620, 4752, 4840, 4886, 5040, 5082, 5235, 5445, 5544, 5584, 5808, 5940, 6160, 6282, 6534, 6776, 6930, 6980, 7260, 7329, 7560, 7623, 7678, 7920, 8316, 8376, 8470, 8712, 9240, 9423, 9680, 9772, 10164, 10395, 10470, 10890, 11088, 11517, 11880, 12215, 12564, 12705, 13068, 13552, 13860, 13960, 14520, 14658, 15120, 15246, 15356, 15705, 16335, 16632, 16752, 16940, 17424, 18480, 18846, 19195, 19544, 20328, 20790, 20940, 21780, 21987, 22869, 23034, 23760, 24430, 25128, 25410, 26136, 26873, 27720, 27920, 29040, 29316, 30492, 30712, 31410, 32670, 33264, 33880, 34551, 36645, 37692, 38115, 38390, 39088, 40656, 41580, 41880, 42229, 43560, 43974, 45738, 46068, 47115, 48860, 50256, 50820, 52272, 53746, 55440, 57585, 58632, 60984, 61424, 62820, 65340, 65961, 67760, 69102, 73290, 75384, 76230, 76780, 80619, 83160, 83760, 84458, 87120, 87948, 91476, 92136, 94230, 97720, 101640, 103653, 107492, 109935, 114345, 115170, 117264, 121968, 125640, 126687, 130680, 131922, 134365, 138204, 146580, 150768, 152460, 153560, 161238, 166320, 168916, 172755, 175896, 182952, 184272, 188460, 195440, 203280, 207306, 211145, 214984, 219870, 228690, 230340, 241857, 251280, 253374, 261360, 263844, 268730, 276408, 293160, 295603, 304920, 307120, 322476, 329805, 337832, 345510, 351792, 365904, 376920, 380061, 403095, 414612, 422290, 429968, 439740, 457380, 460680, 483714, 506748, 518265, 527688, 537460, 552816, 586320, 591206, 609840, 633435, 644952, 659610, 675664, 691020, 725571, 753840, 760122, 806190, 829224, 844580, 879480, 886809, 914760, 921360, 967428, 1013496, 1036530, 1055376, 1074920, 1140183, 1182412, 1209285, 1266870, 1289904, 1319220, 1382040, 1451142, 1478015, 1520244, 1612380, 1658448, 1689160, 1758960, 1773618, 1829520, 1900305, 1934856, 2026992, 2073060, 2149840, 2280366, 2364824, 2418570, 2533740, 2638440, 2660427, 2764080, 2902284, 2956030, 3040488, 3224760, 3378320, 3547236, 3627855, 3800610, 3869712, 4146120, 4434045, 4560732, 4729648, 4837140, 5067480, 5276880, 5320854, 5700915, 5804568, 5912060, 6080976, 6449520, 7094472, 7255710, 7601220, 7981281, 8292240, 8868090, 9121464, 9674280, 10134960, 10641708, 11401830, 11609136, 11824120, 13302135, 14188944, 14511420, 15202440, 15962562, 17736180, 18242928, 19348560, 21283416, 22803660, 23648240, 26604270, 29022840, 30404880, 31925124, 35472360, 39906405, 42566832, 45607320, 53208540, 58045680, 63850248, 70944720, 79812810, 91214640, 106417080, 127700496, 159625620, 212834160, 319251240, 638502480]

約数ペア:

[(1, 638502480), (2, 319251240), (3, 212834160), (4, 159625620), (5, 127700496), (6, 106417080), (7, 91214640), (8, 79812810), (9, 70944720), (10, 63850248), (11, 58045680), (12, 53208540), (14, 45607320), (15, 42566832), (16, 39906405), (18, 35472360), (20, 31925124), (21, 30404880), (22, 29022840), (24, 26604270), (27, 23648240), (28, 22803660), (30, 21283416), (33, 19348560), (35, 18242928), (36, 17736180), (40, 15962562), (42, 15202440), (44, 14511420), (45, 14188944), (48, 13302135), (54, 11824120), (55, 11609136), (56, 11401830), (60, 10641708), (63, 10134960), (66, 9674280), (70, 9121464), (72, 8868090), (77, 8292240), (80, 7981281), (84, 7601220), (88, 7255710), (90, 7094472), (99, 6449520), (105, 6080976), (108, 5912060), (110, 5804568), (112, 5700915), (120, 5320854), (121, 5276880), (126, 5067480), (132, 4837140), (135, 4729648), (140, 4560732), (144, 4434045), (154, 4146120), (165, 3869712), (168, 3800610), (176, 3627855), (180, 3547236), (189, 3378320), (198, 3224760), (210, 3040488), (216, 2956030), (220, 2902284), (231, 2764080), (240, 2660427), (242, 2638440), (252, 2533740), (264, 2418570), (270, 2364824), (280, 2280366), (297, 2149840), (308, 2073060), (315, 2026992), (330, 1934856), (336, 1900305), (349, 1829520), (360, 1773618), (363, 1758960), (378, 1689160), (385, 1658448), (396, 1612380), (420, 1520244), (432, 1478015), (440, 1451142), (462, 1382040), (484, 1319220), (495, 1289904), (504, 1266870), (528, 1209285), (540, 1182412), (560, 1140183), (594, 1074920), (605, 1055376), (616, 1036530), (630, 1013496), (660, 967428), (693, 921360), (698, 914760), (720, 886809), (726, 879480), (756, 844580), (770, 829224), (792, 806190), (840, 760122), (847, 753840), (880, 725571), (924, 691020), (945, 675664), (968, 659610), (990, 644952), (1008, 633435), (1047, 609840), (1080, 591206), (1089, 586320), (1155, 552816), (1188, 537460), (1210, 527688), (1232, 518265), (1260, 506748), (1320, 483714), (1386, 460680), (1396, 457380), (1452, 439740), (1485, 429968), (1512, 422290), (1540, 414612), (1584, 403095), (1680, 380061), (1694, 376920), (1745, 365904), (1815, 351792), (1848, 345510), (1890, 337832), (1936, 329805), (1980, 322476), (2079, 307120), (2094, 304920), (2160, 295603), (2178, 293160), (2310, 276408), (2376, 268730), (2420, 263844), (2443, 261360), (2520, 253374), (2541, 251280), (2640, 241857), (2772, 230340), (2792, 228690), (2904, 219870), (2970, 214984), (3024, 211145), (3080, 207306), (3141, 203280), (3267, 195440), (3388, 188460), (3465, 184272), (3490, 182952), (3630, 175896), (3696, 172755), (3780, 168916), (3839, 166320), (3960, 161238), (4158, 153560), (4188, 152460), (4235, 150768), (4356, 146580), (4620, 138204), (4752, 134365), (4840, 131922), (4886, 130680), (5040, 126687), (5082, 125640), (5235, 121968), (5445, 117264), (5544, 115170), (5584, 114345), (5808, 109935), (5940, 107492), (6160, 103653), (6282, 101640), (6534, 97720), (6776, 94230), (6930, 92136), (6980, 91476), (7260, 87948), (7329, 87120), (7560, 84458), (7623, 83760), (7678, 83160), (7920, 80619), (8316, 76780), (8376, 76230), (8470, 75384), (8712, 73290), (9240, 69102), (9423, 67760), (9680, 65961), (9772, 65340), (10164, 62820), (10395, 61424), (10470, 60984), (10890, 58632), (11088, 57585), (11517, 55440), (11880, 53746), (12215, 52272), (12564, 50820), (12705, 50256), (13068, 48860), (13552, 47115), (13860, 46068), (13960, 45738), (14520, 43974), (14658, 43560), (15120, 42229), (15246, 41880), (15356, 41580), (15705, 40656), (16335, 39088), (16632, 38390), (16752, 38115), (16940, 37692), (17424, 36645), (18480, 34551), (18846, 33880), (19195, 33264), (19544, 32670), (20328, 31410), (20790, 30712), (20940, 30492), (21780, 29316), (21987, 29040), (22869, 27920), (23034, 27720), (23760, 26873), (24430, 26136), (25128, 25410)]