70489040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 173369856

約数和(自身を除く): 102880816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 661, 688, 860, 1240, 1322, 1333, 1720, 2480, 2644, 2666, 3305, 3440, 5288, 5332, 6610, 6665, 10576, 10664, 13220, 13330, 20491, 21328, 26440, 26660, 28423, 40982, 52880, 53320, 56846, 81964, 102455, 106640, 113692, 142115, 163928, 204910, 227384, 284230, 327856, 409820, 454768, 568460, 819640, 881113, 1136920, 1639280, 1762226, 2273840, 3524452, 4405565, 7048904, 8811130, 14097808, 17622260, 35244520, 70489040]

約数ペア:

[(1, 70489040), (2, 35244520), (4, 17622260), (5, 14097808), (8, 8811130), (10, 7048904), (16, 4405565), (20, 3524452), (31, 2273840), (40, 1762226), (43, 1639280), (62, 1136920), (80, 881113), (86, 819640), (124, 568460), (155, 454768), (172, 409820), (215, 327856), (248, 284230), (310, 227384), (344, 204910), (430, 163928), (496, 142115), (620, 113692), (661, 106640), (688, 102455), (860, 81964), (1240, 56846), (1322, 53320), (1333, 52880), (1720, 40982), (2480, 28423), (2644, 26660), (2666, 26440), (3305, 21328), (3440, 20491), (5288, 13330), (5332, 13220), (6610, 10664), (6665, 10576)]