155942220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{371291}}^1$

素因数の和:371310

約数の個数: 48

約数和(自身を含む): 499016448

約数和(自身を除く): 343074228

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, 371291, 742582, 1113873, 1485164, 1856455, 2227746, 2599037, 3712910, 4455492, 5198074, 5569365, 7425820, 7797111, 10396148, 11138730, 12995185, 15594222, 22277460, 25990370, 31188444, 38985555, 51980740, 77971110, 155942220]

約数ペア:

[(1, 155942220), (2, 77971110), (3, 51980740), (4, 38985555), (5, 31188444), (6, 25990370), (7, 22277460), (10, 15594222), (12, 12995185), (14, 11138730), (15, 10396148), (20, 7797111), (21, 7425820), (28, 5569365), (30, 5198074), (35, 4455492), (42, 3712910), (60, 2599037), (70, 2227746), (84, 1856455), (105, 1485164), (140, 1113873), (210, 742582), (420, 371291)]