72420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 217728

約数和(自身を除く): 145308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 284, 340, 355, 426, 510, 710, 852, 1020, 1065, 1207, 1420, 2130, 2414, 3621, 4260, 4828, 6035, 7242, 12070, 14484, 18105, 24140, 36210, 72420]

約数ペア:

[(1, 72420), (2, 36210), (3, 24140), (4, 18105), (5, 14484), (6, 12070), (10, 7242), (12, 6035), (15, 4828), (17, 4260), (20, 3621), (30, 2414), (34, 2130), (51, 1420), (60, 1207), (68, 1065), (71, 1020), (85, 852), (102, 710), (142, 510), (170, 426), (204, 355), (213, 340), (255, 284)]