198573960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127291}}^1$

素因数の和:127318

約数の個数: 64

約数和(自身を含む): 641551680

約数和(自身を除く): 442977720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127291, 254582, 381873, 509164, 636455, 763746, 1018328, 1272910, 1527492, 1654783, 1909365, 2545820, 3054984, 3309566, 3818730, 4964349, 5091640, 6619132, 7637460, 8273915, 9928698, 13238264, 15274920, 16547830, 19857396, 24821745, 33095660, 39714792, 49643490, 66191320, 99286980, 198573960]

約数ペア:

[(1, 198573960), (2, 99286980), (3, 66191320), (4, 49643490), (5, 39714792), (6, 33095660), (8, 24821745), (10, 19857396), (12, 16547830), (13, 15274920), (15, 13238264), (20, 9928698), (24, 8273915), (26, 7637460), (30, 6619132), (39, 5091640), (40, 4964349), (52, 3818730), (60, 3309566), (65, 3054984), (78, 2545820), (104, 1909365), (120, 1654783), (130, 1527492), (156, 1272910), (195, 1018328), (260, 763746), (312, 636455), (390, 509164), (520, 381873), (780, 254582), (1560, 127291)]