21255493680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1236

約数の個数: 240

約数和(自身を含む): 72249840000

約数和(自身を除く): 50994346320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 180, 239, 240, 298, 360, 447, 478, 596, 717, 720, 745, 829, 894, 956, 1192, 1195, 1341, 1434, 1490, 1658, 1788, 1912, 2151, 2235, 2384, 2390, 2487, 2682, 2868, 2980, 3316, 3576, 3585, 3824, 4145, 4302, 4470, 4780, 4974, 5364, 5736, 5960, 6632, 6705, 7152, 7170, 7461, 8290, 8604, 8940, 9560, 9948, 10728, 10755, 11472, 11920, 12435, 13264, 13410, 14340, 14922, 16580, 17208, 17880, 19120, 19896, 21456, 21510, 24870, 26820, 28680, 29844, 33160, 34416, 35611, 35760, 37305, 39792, 43020, 49740, 53640, 57360, 59688, 66320, 71222, 74610, 86040, 99480, 106833, 107280, 119376, 123521, 142444, 149220, 172080, 178055, 198131, 198960, 213666, 247042, 284888, 298440, 320499, 356110, 370563, 396262, 427332, 494084, 534165, 569776, 594393, 596880, 617605, 640998, 712220, 741126, 792524, 854664, 988168, 990655, 1068330, 1111689, 1188786, 1235210, 1281996, 1424440, 1482252, 1585048, 1602495, 1709328, 1783179, 1852815, 1976336, 1981310, 2136660, 2223378, 2377572, 2470420, 2563992, 2848880, 2964504, 2971965, 3170096, 3204990, 3566358, 3705630, 3962620, 4273320, 4446756, 4755144, 4940840, 5127984, 5558445, 5929008, 5943930, 6409980, 7132716, 7411260, 7925240, 8546640, 8893512, 8915895, 9510288, 9881680, 11116890, 11887860, 12819960, 14265432, 14822520, 15850480, 17787024, 17831790, 22233780, 23775720, 25639920, 28530864, 29521519, 29645040, 35663580, 44467560, 47551440, 59043038, 71327160, 88564557, 88935120, 118086076, 142654320, 147607595, 177129114, 236172152, 265693671, 295215190, 354258228, 442822785, 472344304, 531387342, 590430380, 708516456, 885645570, 1062774684, 1180860760, 1328468355, 1417032912, 1771291140, 2125549368, 2361721520, 2656936710, 3542582280, 4251098736, 5313873420, 7085164560, 10627746840, 21255493680]

約数ペア:

[(1, 21255493680), (2, 10627746840), (3, 7085164560), (4, 5313873420), (5, 4251098736), (6, 3542582280), (8, 2656936710), (9, 2361721520), (10, 2125549368), (12, 1771291140), (15, 1417032912), (16, 1328468355), (18, 1180860760), (20, 1062774684), (24, 885645570), (30, 708516456), (36, 590430380), (40, 531387342), (45, 472344304), (48, 442822785), (60, 354258228), (72, 295215190), (80, 265693671), (90, 236172152), (120, 177129114), (144, 147607595), (149, 142654320), (180, 118086076), (239, 88935120), (240, 88564557), (298, 71327160), (360, 59043038), (447, 47551440), (478, 44467560), (596, 35663580), (717, 29645040), (720, 29521519), (745, 28530864), (829, 25639920), (894, 23775720), (956, 22233780), (1192, 17831790), (1195, 17787024), (1341, 15850480), (1434, 14822520), (1490, 14265432), (1658, 12819960), (1788, 11887860), (1912, 11116890), (2151, 9881680), (2235, 9510288), (2384, 8915895), (2390, 8893512), (2487, 8546640), (2682, 7925240), (2868, 7411260), (2980, 7132716), (3316, 6409980), (3576, 5943930), (3585, 5929008), (3824, 5558445), (4145, 5127984), (4302, 4940840), (4470, 4755144), (4780, 4446756), (4974, 4273320), (5364, 3962620), (5736, 3705630), (5960, 3566358), (6632, 3204990), (6705, 3170096), (7152, 2971965), (7170, 2964504), (7461, 2848880), (8290, 2563992), (8604, 2470420), (8940, 2377572), (9560, 2223378), (9948, 2136660), (10728, 1981310), (10755, 1976336), (11472, 1852815), (11920, 1783179), (12435, 1709328), (13264, 1602495), (13410, 1585048), (14340, 1482252), (14922, 1424440), (16580, 1281996), (17208, 1235210), (17880, 1188786), (19120, 1111689), (19896, 1068330), (21456, 990655), (21510, 988168), (24870, 854664), (26820, 792524), (28680, 741126), (29844, 712220), (33160, 640998), (34416, 617605), (35611, 596880), (35760, 594393), (37305, 569776), (39792, 534165), (43020, 494084), (49740, 427332), (53640, 396262), (57360, 370563), (59688, 356110), (66320, 320499), (71222, 298440), (74610, 284888), (86040, 247042), (99480, 213666), (106833, 198960), (107280, 198131), (119376, 178055), (123521, 172080), (142444, 149220)]