178118940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{3581}}^1$

素因数の和:4422

約数の個数: 48

約数和(自身を含む): 499474080

約数和(自身を除く): 321355140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 829, 1658, 2487, 3316, 3581, 4145, 4974, 7162, 8290, 9948, 10743, 12435, 14324, 16580, 17905, 21486, 24870, 35810, 42972, 49740, 53715, 71620, 107430, 214860, 2968649, 5937298, 8905947, 11874596, 14843245, 17811894, 29686490, 35623788, 44529735, 59372980, 89059470, 178118940]

約数ペア:

[(1, 178118940), (2, 89059470), (3, 59372980), (4, 44529735), (5, 35623788), (6, 29686490), (10, 17811894), (12, 14843245), (15, 11874596), (20, 8905947), (30, 5937298), (60, 2968649), (829, 214860), (1658, 107430), (2487, 71620), (3316, 53715), (3581, 49740), (4145, 42972), (4974, 35810), (7162, 24870), (8290, 21486), (9948, 17905), (10743, 16580), (12435, 14324)]