61532120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 150020640

約数和(自身を除く): 88488520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 491, 520, 964, 982, 1205, 1928, 1964, 2410, 2455, 3133, 3928, 4820, 4910, 6266, 6383, 9640, 9820, 12532, 12766, 15665, 19640, 25064, 25532, 31330, 31915, 51064, 62660, 63830, 118331, 125320, 127660, 236662, 255320, 473324, 591655, 946648, 1183310, 1538303, 2366620, 3076606, 4733240, 6153212, 7691515, 12306424, 15383030, 30766060, 61532120]

約数ペア:

[(1, 61532120), (2, 30766060), (4, 15383030), (5, 12306424), (8, 7691515), (10, 6153212), (13, 4733240), (20, 3076606), (26, 2366620), (40, 1538303), (52, 1183310), (65, 946648), (104, 591655), (130, 473324), (241, 255320), (260, 236662), (482, 127660), (491, 125320), (520, 118331), (964, 63830), (982, 62660), (1205, 51064), (1928, 31915), (1964, 31330), (2410, 25532), (2455, 25064), (3133, 19640), (3928, 15665), (4820, 12766), (4910, 12532), (6266, 9820), (6383, 9640)]