164614380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391939}}^1$

素因数の和:391958

約数の個数: 48

約数和(自身を含む): 526767360

約数和(自身を除く): 362152980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 391939, 783878, 1175817, 1567756, 1959695, 2351634, 2743573, 3919390, 4703268, 5487146, 5879085, 7838780, 8230719, 10974292, 11758170, 13717865, 16461438, 23516340, 27435730, 32922876, 41153595, 54871460, 82307190, 164614380]

約数ペア:

[(1, 164614380), (2, 82307190), (3, 54871460), (4, 41153595), (5, 32922876), (6, 27435730), (7, 23516340), (10, 16461438), (12, 13717865), (14, 11758170), (15, 10974292), (20, 8230719), (21, 7838780), (28, 5879085), (30, 5487146), (35, 4703268), (42, 3919390), (60, 2743573), (70, 2351634), (84, 1959695), (105, 1567756), (140, 1175817), (210, 783878), (420, 391939)]