1277380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 3069360

約数和(自身を除く): 1791980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 4913, 5780, 7514, 9826, 15028, 18785, 19652, 24565, 37570, 49130, 63869, 75140, 98260, 127738, 255476, 319345, 638690, 1277380]

約数ペア:

[(1, 1277380), (2, 638690), (4, 319345), (5, 255476), (10, 127738), (13, 98260), (17, 75140), (20, 63869), (26, 49130), (34, 37570), (52, 24565), (65, 19652), (68, 18785), (85, 15028), (130, 9826), (170, 7514), (221, 5780), (260, 4913), (289, 4420), (340, 3757), (442, 2890), (578, 2210), (884, 1445), (1105, 1156)]