69891420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68521}}^1$

素因数の和:68550

約数の個数: 48

約数和(自身を含む): 207210528

約数和(自身を除く): 137319108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 68521, 137042, 205563, 274084, 342605, 411126, 685210, 822252, 1027815, 1164857, 1370420, 2055630, 2329714, 3494571, 4111260, 4659428, 5824285, 6989142, 11648570, 13978284, 17472855, 23297140, 34945710, 69891420]

約数ペア:

[(1, 69891420), (2, 34945710), (3, 23297140), (4, 17472855), (5, 13978284), (6, 11648570), (10, 6989142), (12, 5824285), (15, 4659428), (17, 4111260), (20, 3494571), (30, 2329714), (34, 2055630), (51, 1370420), (60, 1164857), (68, 1027815), (85, 822252), (102, 685210), (170, 411126), (204, 342605), (255, 274084), (340, 205563), (510, 137042), (1020, 68521)]