156471640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2297}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 382203360

約数和(自身を除く): 225731720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2297, 2620, 3406, 4594, 5240, 6812, 8515, 9188, 11485, 13624, 17030, 18376, 22970, 29861, 34060, 45940, 59722, 68120, 91880, 119444, 149305, 238888, 298610, 300907, 597220, 601814, 1194440, 1203628, 1504535, 2407256, 3009070, 3911791, 6018140, 7823582, 12036280, 15647164, 19558955, 31294328, 39117910, 78235820, 156471640]

約数ペア:

[(1, 156471640), (2, 78235820), (4, 39117910), (5, 31294328), (8, 19558955), (10, 15647164), (13, 12036280), (20, 7823582), (26, 6018140), (40, 3911791), (52, 3009070), (65, 2407256), (104, 1504535), (130, 1203628), (131, 1194440), (260, 601814), (262, 597220), (520, 300907), (524, 298610), (655, 238888), (1048, 149305), (1310, 119444), (1703, 91880), (2297, 68120), (2620, 59722), (3406, 45940), (4594, 34060), (5240, 29861), (6812, 22970), (8515, 18376), (9188, 17030), (11485, 13624)]