31822440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20399}}^1$

素因数の和:20426

約数の個数: 64

約数和(自身を含む): 102816000

約数和(自身を除く): 70993560

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, 20399, 40798, 61197, 81596, 101995, 122394, 163192, 203990, 244788, 265187, 305985, 407980, 489576, 530374, 611970, 795561, 815960, 1060748, 1223940, 1325935, 1591122, 2121496, 2447880, 2651870, 3182244, 3977805, 5303740, 6364488, 7955610, 10607480, 15911220, 31822440]

約数ペア:

[(1, 31822440), (2, 15911220), (3, 10607480), (4, 7955610), (5, 6364488), (6, 5303740), (8, 3977805), (10, 3182244), (12, 2651870), (13, 2447880), (15, 2121496), (20, 1591122), (24, 1325935), (26, 1223940), (30, 1060748), (39, 815960), (40, 795561), (52, 611970), (60, 530374), (65, 489576), (78, 407980), (104, 305985), (120, 265187), (130, 244788), (156, 203990), (195, 163192), (260, 122394), (312, 101995), (390, 81596), (520, 61197), (780, 40798), (1560, 20399)]