66293220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157841}}^1$

素因数の和:157860

約数の個数: 48

約数和(自身を含む): 212139648

約数和(自身を除く): 145846428

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, 157841, 315682, 473523, 631364, 789205, 947046, 1104887, 1578410, 1894092, 2209774, 2367615, 3156820, 3314661, 4419548, 4735230, 5524435, 6629322, 9470460, 11048870, 13258644, 16573305, 22097740, 33146610, 66293220]

約数ペア:

[(1, 66293220), (2, 33146610), (3, 22097740), (4, 16573305), (5, 13258644), (6, 11048870), (7, 9470460), (10, 6629322), (12, 5524435), (14, 4735230), (15, 4419548), (20, 3314661), (21, 3156820), (28, 2367615), (30, 2209774), (35, 1894092), (42, 1578410), (60, 1104887), (70, 947046), (84, 789205), (105, 631364), (140, 473523), (210, 315682), (420, 157841)]