67845180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86981}}^1$

素因数の和:87006

約数の個数: 48

約数和(自身を含む): 204581664

約数和(自身を除く): 136736484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 86981, 173962, 260943, 347924, 434905, 521886, 869810, 1043772, 1130753, 1304715, 1739620, 2261506, 2609430, 3392259, 4523012, 5218860, 5653765, 6784518, 11307530, 13569036, 16961295, 22615060, 33922590, 67845180]

約数ペア:

[(1, 67845180), (2, 33922590), (3, 22615060), (4, 16961295), (5, 13569036), (6, 11307530), (10, 6784518), (12, 5653765), (13, 5218860), (15, 4523012), (20, 3392259), (26, 2609430), (30, 2261506), (39, 1739620), (52, 1304715), (60, 1130753), (65, 1043772), (78, 869810), (130, 521886), (156, 434905), (195, 347924), (260, 260943), (390, 173962), (780, 86981)]