31825560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:937

約数の個数: 128

約数和(自身を含む): 107412480

約数和(自身を除く): 75586920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 887, 897, 920, 1196, 1380, 1495, 1560, 1774, 1794, 2392, 2661, 2760, 2990, 3548, 3588, 4435, 4485, 5322, 5980, 7096, 7176, 8870, 8970, 10644, 11531, 11960, 13305, 17740, 17940, 20401, 21288, 23062, 26610, 34593, 35480, 35880, 40802, 46124, 53220, 57655, 61203, 69186, 81604, 92248, 102005, 106440, 115310, 122406, 138372, 163208, 172965, 204010, 230620, 244812, 265213, 276744, 306015, 345930, 408020, 461240, 489624, 530426, 612030, 691860, 795639, 816040, 1060852, 1224060, 1326065, 1383720, 1591278, 2121704, 2448120, 2652130, 3182556, 3978195, 5304260, 6365112, 7956390, 10608520, 15912780, 31825560]

約数ペア:

[(1, 31825560), (2, 15912780), (3, 10608520), (4, 7956390), (5, 6365112), (6, 5304260), (8, 3978195), (10, 3182556), (12, 2652130), (13, 2448120), (15, 2121704), (20, 1591278), (23, 1383720), (24, 1326065), (26, 1224060), (30, 1060852), (39, 816040), (40, 795639), (46, 691860), (52, 612030), (60, 530426), (65, 489624), (69, 461240), (78, 408020), (92, 345930), (104, 306015), (115, 276744), (120, 265213), (130, 244812), (138, 230620), (156, 204010), (184, 172965), (195, 163208), (230, 138372), (260, 122406), (276, 115310), (299, 106440), (312, 102005), (345, 92248), (390, 81604), (460, 69186), (520, 61203), (552, 57655), (598, 53220), (690, 46124), (780, 40802), (887, 35880), (897, 35480), (920, 34593), (1196, 26610), (1380, 23062), (1495, 21288), (1560, 20401), (1774, 17940), (1794, 17740), (2392, 13305), (2661, 11960), (2760, 11531), (2990, 10644), (3548, 8970), (3588, 8870), (4435, 7176), (4485, 7096), (5322, 5980)]