638474760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:809

約数の個数: 384

約数和(自身を含む): 2674114560

約数和(自身を除く): 2035639800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 31, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 62, 63, 66, 70, 72, 77, 84, 88, 90, 93, 99, 105, 110, 120, 124, 126, 132, 140, 154, 155, 165, 168, 180, 186, 198, 210, 217, 220, 231, 248, 252, 264, 279, 280, 308, 310, 315, 330, 341, 360, 372, 385, 396, 420, 434, 440, 462, 465, 495, 504, 558, 616, 620, 630, 651, 660, 682, 693, 743, 744, 770, 792, 840, 868, 924, 930, 990, 1023, 1085, 1116, 1155, 1240, 1260, 1302, 1320, 1364, 1386, 1395, 1486, 1540, 1705, 1736, 1848, 1860, 1953, 1980, 2046, 2170, 2229, 2232, 2310, 2387, 2520, 2604, 2728, 2772, 2790, 2972, 3069, 3080, 3255, 3410, 3465, 3715, 3720, 3906, 3960, 4092, 4340, 4458, 4620, 4774, 5115, 5201, 5208, 5544, 5580, 5944, 6138, 6510, 6687, 6820, 6930, 7161, 7430, 7812, 8173, 8184, 8680, 8916, 9240, 9548, 9765, 10230, 10402, 11145, 11160, 11935, 12276, 13020, 13374, 13640, 13860, 14322, 14860, 15345, 15603, 15624, 16346, 17832, 19096, 19530, 20460, 20804, 21483, 22290, 23033, 23870, 24519, 24552, 26005, 26040, 26748, 27720, 28644, 29720, 30690, 31206, 32692, 33435, 35805, 39060, 40865, 40920, 41608, 42966, 44580, 46066, 46809, 47740, 49038, 52010, 53496, 57211, 57288, 61380, 62412, 65384, 66870, 69099, 71610, 73557, 78015, 78120, 81730, 85932, 89160, 92132, 93618, 95480, 98076, 104020, 107415, 114422, 115165, 122595, 122760, 124824, 133740, 138198, 143220, 147114, 156030, 161231, 163460, 171633, 171864, 184264, 187236, 196152, 207297, 208040, 214830, 228844, 230330, 234045, 245190, 253363, 267480, 276396, 286055, 286440, 294228, 312060, 322462, 326920, 343266, 345495, 367785, 374472, 414594, 429660, 457688, 460660, 468090, 483693, 490380, 506726, 514899, 552792, 572110, 588456, 624120, 644924, 686532, 690990, 735570, 760089, 806155, 829188, 858165, 859320, 921320, 936180, 967386, 980760, 1013452, 1029798, 1036485, 1144220, 1266815, 1289848, 1373064, 1381980, 1451079, 1471140, 1520178, 1612310, 1658376, 1716330, 1773541, 1872360, 1934772, 2026904, 2059596, 2072970, 2280267, 2288440, 2418465, 2533630, 2574495, 2763960, 2902158, 2942280, 3040356, 3224620, 3432660, 3547082, 3800445, 3869544, 4119192, 4145940, 4560534, 4836930, 5067260, 5148990, 5320623, 5804316, 6080712, 6449240, 6865320, 7094164, 7255395, 7600890, 8291880, 8867705, 9121068, 9673860, 10134520, 10297980, 10641246, 11401335, 11608632, 14188328, 14510790, 15201780, 15961869, 17735410, 18242136, 19347720, 20595960, 21282492, 22802670, 26603115, 29021580, 30403560, 31923738, 35470820, 42564984, 45605340, 53206230, 58043160, 63847476, 70941640, 79809345, 91210680, 106412460, 127694952, 159618690, 212824920, 319237380, 638474760]

約数ペア:

[(1, 638474760), (2, 319237380), (3, 212824920), (4, 159618690), (5, 127694952), (6, 106412460), (7, 91210680), (8, 79809345), (9, 70941640), (10, 63847476), (11, 58043160), (12, 53206230), (14, 45605340), (15, 42564984), (18, 35470820), (20, 31923738), (21, 30403560), (22, 29021580), (24, 26603115), (28, 22802670), (30, 21282492), (31, 20595960), (33, 19347720), (35, 18242136), (36, 17735410), (40, 15961869), (42, 15201780), (44, 14510790), (45, 14188328), (55, 11608632), (56, 11401335), (60, 10641246), (62, 10297980), (63, 10134520), (66, 9673860), (70, 9121068), (72, 8867705), (77, 8291880), (84, 7600890), (88, 7255395), (90, 7094164), (93, 6865320), (99, 6449240), (105, 6080712), (110, 5804316), (120, 5320623), (124, 5148990), (126, 5067260), (132, 4836930), (140, 4560534), (154, 4145940), (155, 4119192), (165, 3869544), (168, 3800445), (180, 3547082), (186, 3432660), (198, 3224620), (210, 3040356), (217, 2942280), (220, 2902158), (231, 2763960), (248, 2574495), (252, 2533630), (264, 2418465), (279, 2288440), (280, 2280267), (308, 2072970), (310, 2059596), (315, 2026904), (330, 1934772), (341, 1872360), (360, 1773541), (372, 1716330), (385, 1658376), (396, 1612310), (420, 1520178), (434, 1471140), (440, 1451079), (462, 1381980), (465, 1373064), (495, 1289848), (504, 1266815), (558, 1144220), (616, 1036485), (620, 1029798), (630, 1013452), (651, 980760), (660, 967386), (682, 936180), (693, 921320), (743, 859320), (744, 858165), (770, 829188), (792, 806155), (840, 760089), (868, 735570), (924, 690990), (930, 686532), (990, 644924), (1023, 624120), (1085, 588456), (1116, 572110), (1155, 552792), (1240, 514899), (1260, 506726), (1302, 490380), (1320, 483693), (1364, 468090), (1386, 460660), (1395, 457688), (1486, 429660), (1540, 414594), (1705, 374472), (1736, 367785), (1848, 345495), (1860, 343266), (1953, 326920), (1980, 322462), (2046, 312060), (2170, 294228), (2229, 286440), (2232, 286055), (2310, 276396), (2387, 267480), (2520, 253363), (2604, 245190), (2728, 234045), (2772, 230330), (2790, 228844), (2972, 214830), (3069, 208040), (3080, 207297), (3255, 196152), (3410, 187236), (3465, 184264), (3715, 171864), (3720, 171633), (3906, 163460), (3960, 161231), (4092, 156030), (4340, 147114), (4458, 143220), (4620, 138198), (4774, 133740), (5115, 124824), (5201, 122760), (5208, 122595), (5544, 115165), (5580, 114422), (5944, 107415), (6138, 104020), (6510, 98076), (6687, 95480), (6820, 93618), (6930, 92132), (7161, 89160), (7430, 85932), (7812, 81730), (8173, 78120), (8184, 78015), (8680, 73557), (8916, 71610), (9240, 69099), (9548, 66870), (9765, 65384), (10230, 62412), (10402, 61380), (11145, 57288), (11160, 57211), (11935, 53496), (12276, 52010), (13020, 49038), (13374, 47740), (13640, 46809), (13860, 46066), (14322, 44580), (14860, 42966), (15345, 41608), (15603, 40920), (15624, 40865), (16346, 39060), (17832, 35805), (19096, 33435), (19530, 32692), (20460, 31206), (20804, 30690), (21483, 29720), (22290, 28644), (23033, 27720), (23870, 26748), (24519, 26040), (24552, 26005)]