15912780

素因数分解:

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

素因数の和:935

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 34213044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 887, 897, 1196, 1380, 1495, 1774, 1794, 2661, 2990, 3548, 3588, 4435, 4485, 5322, 5980, 8870, 8970, 10644, 11531, 13305, 17740, 17940, 20401, 23062, 26610, 34593, 40802, 46124, 53220, 57655, 61203, 69186, 81604, 102005, 115310, 122406, 138372, 172965, 204010, 230620, 244812, 265213, 306015, 345930, 408020, 530426, 612030, 691860, 795639, 1060852, 1224060, 1326065, 1591278, 2652130, 3182556, 3978195, 5304260, 7956390, 15912780]

約数ペア:

[(1, 15912780), (2, 7956390), (3, 5304260), (4, 3978195), (5, 3182556), (6, 2652130), (10, 1591278), (12, 1326065), (13, 1224060), (15, 1060852), (20, 795639), (23, 691860), (26, 612030), (30, 530426), (39, 408020), (46, 345930), (52, 306015), (60, 265213), (65, 244812), (69, 230620), (78, 204010), (92, 172965), (115, 138372), (130, 122406), (138, 115310), (156, 102005), (195, 81604), (230, 69186), (260, 61203), (276, 57655), (299, 53220), (345, 46124), (390, 40802), (460, 34593), (598, 26610), (690, 23062), (780, 20401), (887, 17940), (897, 17740), (1196, 13305), (1380, 11531), (1495, 10644), (1774, 8970), (1794, 8870), (2661, 5980), (2990, 5322), (3548, 4485), (3588, 4435)]