1520552980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{2999}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 3238704000

約数和(自身を除く): 1718151020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 251, 404, 502, 505, 1004, 1010, 1255, 2020, 2510, 2999, 5020, 5998, 11996, 14995, 25351, 29990, 50702, 59980, 101404, 126755, 253510, 302899, 507020, 605798, 752749, 1211596, 1505498, 1514495, 3010996, 3028990, 3763745, 6057980, 7527490, 15054980, 76027649, 152055298, 304110596, 380138245, 760276490, 1520552980]

約数ペア:

[(1, 1520552980), (2, 760276490), (4, 380138245), (5, 304110596), (10, 152055298), (20, 76027649), (101, 15054980), (202, 7527490), (251, 6057980), (404, 3763745), (502, 3028990), (505, 3010996), (1004, 1514495), (1010, 1505498), (1255, 1211596), (2020, 752749), (2510, 605798), (2999, 507020), (5020, 302899), (5998, 253510), (11996, 126755), (14995, 101404), (25351, 59980), (29990, 50702)]