118867640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 277896960

約数和(自身を除く): 159029320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 373, 514, 620, 746, 1028, 1240, 1285, 1492, 1865, 2056, 2570, 2984, 3730, 5140, 7460, 7967, 10280, 11563, 14920, 15934, 23126, 31868, 39835, 46252, 57815, 63736, 79670, 92504, 95861, 115630, 159340, 191722, 231260, 318680, 383444, 462520, 479305, 766888, 958610, 1917220, 2971691, 3834440, 5943382, 11886764, 14858455, 23773528, 29716910, 59433820, 118867640]

約数ペア:

[(1, 118867640), (2, 59433820), (4, 29716910), (5, 23773528), (8, 14858455), (10, 11886764), (20, 5943382), (31, 3834440), (40, 2971691), (62, 1917220), (124, 958610), (155, 766888), (248, 479305), (257, 462520), (310, 383444), (373, 318680), (514, 231260), (620, 191722), (746, 159340), (1028, 115630), (1240, 95861), (1285, 92504), (1492, 79670), (1865, 63736), (2056, 57815), (2570, 46252), (2984, 39835), (3730, 31868), (5140, 23126), (7460, 15934), (7967, 14920), (10280, 11563)]