87196760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1303}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 225331200

約数和(自身を除く): 138134440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1303, 1673, 1912, 2390, 2606, 3346, 4780, 5212, 6515, 6692, 8365, 9121, 9560, 10424, 13030, 13384, 16730, 18242, 26060, 33460, 36484, 45605, 52120, 66920, 72968, 91210, 182420, 311417, 364840, 622834, 1245668, 1557085, 2179919, 2491336, 3114170, 4359838, 6228340, 8719676, 10899595, 12456680, 17439352, 21799190, 43598380, 87196760]

約数ペア:

[(1, 87196760), (2, 43598380), (4, 21799190), (5, 17439352), (7, 12456680), (8, 10899595), (10, 8719676), (14, 6228340), (20, 4359838), (28, 3114170), (35, 2491336), (40, 2179919), (56, 1557085), (70, 1245668), (140, 622834), (239, 364840), (280, 311417), (478, 182420), (956, 91210), (1195, 72968), (1303, 66920), (1673, 52120), (1912, 45605), (2390, 36484), (2606, 33460), (3346, 26060), (4780, 18242), (5212, 16730), (6515, 13384), (6692, 13030), (8365, 10424), (9121, 9560)]