87557340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112253}}^1$

素因数の和:112278

約数の個数: 48

約数和(自身を含む): 264021408

約数和(自身を除く): 176464068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112253, 224506, 336759, 449012, 561265, 673518, 1122530, 1347036, 1459289, 1683795, 2245060, 2918578, 3367590, 4377867, 5837156, 6735180, 7296445, 8755734, 14592890, 17511468, 21889335, 29185780, 43778670, 87557340]

約数ペア:

[(1, 87557340), (2, 43778670), (3, 29185780), (4, 21889335), (5, 17511468), (6, 14592890), (10, 8755734), (12, 7296445), (13, 6735180), (15, 5837156), (20, 4377867), (26, 3367590), (30, 2918578), (39, 2245060), (52, 1683795), (60, 1459289), (65, 1347036), (78, 1122530), (130, 673518), (156, 561265), (195, 449012), (260, 336759), (390, 224506), (780, 112253)]