71731980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{44279}}^1$

素因数の和:44300

約数の個数: 60

約数和(自身を含む): 225030960

約数和(自身を除く): 153298980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 44279, 88558, 132837, 177116, 221395, 265674, 398511, 442790, 531348, 664185, 797022, 885580, 1195533, 1328370, 1594044, 1992555, 2391066, 2656740, 3586599, 3985110, 4782132, 5977665, 7173198, 7970220, 11955330, 14346396, 17932995, 23910660, 35865990, 71731980]

約数ペア:

[(1, 71731980), (2, 35865990), (3, 23910660), (4, 17932995), (5, 14346396), (6, 11955330), (9, 7970220), (10, 7173198), (12, 5977665), (15, 4782132), (18, 3985110), (20, 3586599), (27, 2656740), (30, 2391066), (36, 1992555), (45, 1594044), (54, 1328370), (60, 1195533), (81, 885580), (90, 797022), (108, 664185), (135, 531348), (162, 442790), (180, 398511), (270, 265674), (324, 221395), (405, 177116), (540, 132837), (810, 88558), (1620, 44279)]