166808820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39157}}^1$

素因数の和:39240

約数の個数: 48

約数和(自身を含む): 473655168

約数和(自身を除く): 306846348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 39157, 78314, 117471, 156628, 195785, 234942, 391570, 469884, 587355, 783140, 1174710, 2349420, 2780147, 5560294, 8340441, 11120588, 13900735, 16680882, 27801470, 33361764, 41702205, 55602940, 83404410, 166808820]

約数ペア:

[(1, 166808820), (2, 83404410), (3, 55602940), (4, 41702205), (5, 33361764), (6, 27801470), (10, 16680882), (12, 13900735), (15, 11120588), (20, 8340441), (30, 5560294), (60, 2780147), (71, 2349420), (142, 1174710), (213, 783140), (284, 587355), (355, 469884), (426, 391570), (710, 234942), (852, 195785), (1065, 156628), (1420, 117471), (2130, 78314), (4260, 39157)]