15722220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3911}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 44690688

約数和(自身を除く): 28968468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 3911, 4020, 7822, 11733, 15644, 19555, 23466, 39110, 46932, 58665, 78220, 117330, 234660, 262037, 524074, 786111, 1048148, 1310185, 1572222, 2620370, 3144444, 3930555, 5240740, 7861110, 15722220]

約数ペア:

[(1, 15722220), (2, 7861110), (3, 5240740), (4, 3930555), (5, 3144444), (6, 2620370), (10, 1572222), (12, 1310185), (15, 1048148), (20, 786111), (30, 524074), (60, 262037), (67, 234660), (134, 117330), (201, 78220), (268, 58665), (335, 46932), (402, 39110), (670, 23466), (804, 19555), (1005, 15644), (1340, 11733), (2010, 7822), (3911, 4020)]