162997640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{947}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 396567360

約数和(自身を除く): 233569720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 331, 520, 662, 947, 1324, 1655, 1894, 2648, 3310, 3788, 4303, 4735, 6620, 7576, 8606, 9470, 12311, 13240, 17212, 18940, 21515, 24622, 34424, 37880, 43030, 49244, 61555, 86060, 98488, 123110, 172120, 246220, 313457, 492440, 626914, 1253828, 1567285, 2507656, 3134570, 4074941, 6269140, 8149882, 12538280, 16299764, 20374705, 32599528, 40749410, 81498820, 162997640]

約数ペア:

[(1, 162997640), (2, 81498820), (4, 40749410), (5, 32599528), (8, 20374705), (10, 16299764), (13, 12538280), (20, 8149882), (26, 6269140), (40, 4074941), (52, 3134570), (65, 2507656), (104, 1567285), (130, 1253828), (260, 626914), (331, 492440), (520, 313457), (662, 246220), (947, 172120), (1324, 123110), (1655, 98488), (1894, 86060), (2648, 61555), (3310, 49244), (3788, 43030), (4303, 37880), (4735, 34424), (6620, 24622), (7576, 21515), (8606, 18940), (9470, 17212), (12311, 13240)]