87741680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 221235840

約数和(自身を除く): 133494160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 239, 260, 353, 478, 520, 706, 956, 1040, 1195, 1412, 1765, 1912, 2390, 2824, 3107, 3530, 3824, 4589, 4780, 5648, 6214, 7060, 9178, 9560, 12428, 14120, 15535, 18356, 19120, 22945, 24856, 28240, 31070, 36712, 45890, 49712, 62140, 73424, 84367, 91780, 124280, 168734, 183560, 248560, 337468, 367120, 421835, 674936, 843670, 1096771, 1349872, 1687340, 2193542, 3374680, 4387084, 5483855, 6749360, 8774168, 10967710, 17548336, 21935420, 43870840, 87741680]

約数ペア:

[(1, 87741680), (2, 43870840), (4, 21935420), (5, 17548336), (8, 10967710), (10, 8774168), (13, 6749360), (16, 5483855), (20, 4387084), (26, 3374680), (40, 2193542), (52, 1687340), (65, 1349872), (80, 1096771), (104, 843670), (130, 674936), (208, 421835), (239, 367120), (260, 337468), (353, 248560), (478, 183560), (520, 168734), (706, 124280), (956, 91780), (1040, 84367), (1195, 73424), (1412, 62140), (1765, 49712), (1912, 45890), (2390, 36712), (2824, 31070), (3107, 28240), (3530, 24856), (3824, 22945), (4589, 19120), (4780, 18356), (5648, 15535), (6214, 14120), (7060, 12428), (9178, 9560)]