163160840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 377861760

約数和(自身を除く): 214700920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 787, 1420, 1460, 1574, 2840, 2920, 3148, 3935, 5183, 6296, 7870, 10366, 15740, 20732, 25915, 31480, 41464, 51830, 55877, 57451, 103660, 111754, 114902, 207320, 223508, 229804, 279385, 287255, 447016, 459608, 558770, 574510, 1117540, 1149020, 2235080, 2298040, 4079021, 8158042, 16316084, 20395105, 32632168, 40790210, 81580420, 163160840]

約数ペア:

[(1, 163160840), (2, 81580420), (4, 40790210), (5, 32632168), (8, 20395105), (10, 16316084), (20, 8158042), (40, 4079021), (71, 2298040), (73, 2235080), (142, 1149020), (146, 1117540), (284, 574510), (292, 558770), (355, 459608), (365, 447016), (568, 287255), (584, 279385), (710, 229804), (730, 223508), (787, 207320), (1420, 114902), (1460, 111754), (1574, 103660), (2840, 57451), (2920, 55877), (3148, 51830), (3935, 41464), (5183, 31480), (6296, 25915), (7870, 20732), (10366, 15740)]