121591860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155887}}^1$

素因数の和:155912

約数の個数: 48

約数和(自身を含む): 366648576

約数和(自身を除く): 245056716

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, 155887, 311774, 467661, 623548, 779435, 935322, 1558870, 1870644, 2026531, 2338305, 3117740, 4053062, 4676610, 6079593, 8106124, 9353220, 10132655, 12159186, 20265310, 24318372, 30397965, 40530620, 60795930, 121591860]

約数ペア:

[(1, 121591860), (2, 60795930), (3, 40530620), (4, 30397965), (5, 24318372), (6, 20265310), (10, 12159186), (12, 10132655), (13, 9353220), (15, 8106124), (20, 6079593), (26, 4676610), (30, 4053062), (39, 3117740), (52, 2338305), (60, 2026531), (65, 1870644), (78, 1558870), (130, 935322), (156, 779435), (195, 623548), (260, 467661), (390, 311774), (780, 155887)]