87019020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 292481280

約数和(自身を除く): 205462260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 619, 639, 660, 710, 781, 852, 990, 1065, 1238, 1278, 1420, 1562, 1857, 1980, 2130, 2343, 2476, 2556, 3095, 3124, 3195, 3714, 3905, 4260, 4686, 5571, 6190, 6390, 6809, 7029, 7428, 7810, 9285, 9372, 11142, 11715, 12380, 12780, 13618, 14058, 15620, 18570, 20427, 22284, 23430, 27236, 27855, 28116, 34045, 35145, 37140, 40854, 43949, 46860, 55710, 61281, 68090, 70290, 81708, 87898, 102135, 111420, 122562, 131847, 136180, 140580, 175796, 204270, 219745, 245124, 263694, 306405, 395541, 408540, 439490, 483439, 527388, 612810, 659235, 791082, 878980, 966878, 1225620, 1318470, 1450317, 1582164, 1933756, 1977705, 2417195, 2636940, 2900634, 3955410, 4350951, 4834390, 5801268, 7251585, 7910820, 8701902, 9668780, 14503170, 17403804, 21754755, 29006340, 43509510, 87019020]

約数ペア:

[(1, 87019020), (2, 43509510), (3, 29006340), (4, 21754755), (5, 17403804), (6, 14503170), (9, 9668780), (10, 8701902), (11, 7910820), (12, 7251585), (15, 5801268), (18, 4834390), (20, 4350951), (22, 3955410), (30, 2900634), (33, 2636940), (36, 2417195), (44, 1977705), (45, 1933756), (55, 1582164), (60, 1450317), (66, 1318470), (71, 1225620), (90, 966878), (99, 878980), (110, 791082), (132, 659235), (142, 612810), (165, 527388), (180, 483439), (198, 439490), (213, 408540), (220, 395541), (284, 306405), (330, 263694), (355, 245124), (396, 219745), (426, 204270), (495, 175796), (619, 140580), (639, 136180), (660, 131847), (710, 122562), (781, 111420), (852, 102135), (990, 87898), (1065, 81708), (1238, 70290), (1278, 68090), (1420, 61281), (1562, 55710), (1857, 46860), (1980, 43949), (2130, 40854), (2343, 37140), (2476, 35145), (2556, 34045), (3095, 28116), (3124, 27855), (3195, 27236), (3714, 23430), (3905, 22284), (4260, 20427), (4686, 18570), (5571, 15620), (6190, 14058), (6390, 13618), (6809, 12780), (7029, 12380), (7428, 11715), (7810, 11142), (9285, 9372)]