254071560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20963}}^1$

素因数の和:21078

約数の個数: 64

約数和(自身を含む): 769798080

約数和(自身を除く): 515726520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 20963, 41926, 62889, 83852, 104815, 125778, 167704, 209630, 251556, 314445, 419260, 503112, 628890, 838520, 1257780, 2117263, 2515560, 4234526, 6351789, 8469052, 10586315, 12703578, 16938104, 21172630, 25407156, 31758945, 42345260, 50814312, 63517890, 84690520, 127035780, 254071560]

約数ペア:

[(1, 254071560), (2, 127035780), (3, 84690520), (4, 63517890), (5, 50814312), (6, 42345260), (8, 31758945), (10, 25407156), (12, 21172630), (15, 16938104), (20, 12703578), (24, 10586315), (30, 8469052), (40, 6351789), (60, 4234526), (101, 2515560), (120, 2117263), (202, 1257780), (303, 838520), (404, 628890), (505, 503112), (606, 419260), (808, 314445), (1010, 251556), (1212, 209630), (1515, 167704), (2020, 125778), (2424, 104815), (3030, 83852), (4040, 62889), (6060, 41926), (12120, 20963)]