1395660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3323}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 4467456

約数和(自身を除く): 3071796

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, 3323, 6646, 9969, 13292, 16615, 19938, 23261, 33230, 39876, 46522, 49845, 66460, 69783, 93044, 99690, 116305, 139566, 199380, 232610, 279132, 348915, 465220, 697830, 1395660]

約数ペア:

[(1, 1395660), (2, 697830), (3, 465220), (4, 348915), (5, 279132), (6, 232610), (7, 199380), (10, 139566), (12, 116305), (14, 99690), (15, 93044), (20, 69783), (21, 66460), (28, 49845), (30, 46522), (35, 39876), (42, 33230), (60, 23261), (70, 19938), (84, 16615), (105, 13292), (140, 9969), (210, 6646), (420, 3323)]