840097980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{518579}}^1$

素因数の和:518600

約数の個数: 60

約数和(自身を含む): 2635423560

約数和(自身を除く): 1795325580

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, 518579, 1037158, 1555737, 2074316, 2592895, 3111474, 4667211, 5185790, 6222948, 7778685, 9334422, 10371580, 14001633, 15557370, 18668844, 23336055, 28003266, 31114740, 42004899, 46672110, 56006532, 70008165, 84009798, 93344220, 140016330, 168019596, 210024495, 280032660, 420048990, 840097980]

約数ペア:

[(1, 840097980), (2, 420048990), (3, 280032660), (4, 210024495), (5, 168019596), (6, 140016330), (9, 93344220), (10, 84009798), (12, 70008165), (15, 56006532), (18, 46672110), (20, 42004899), (27, 31114740), (30, 28003266), (36, 23336055), (45, 18668844), (54, 15557370), (60, 14001633), (81, 10371580), (90, 9334422), (108, 7778685), (135, 6222948), (162, 5185790), (180, 4667211), (270, 3111474), (324, 2592895), (405, 2074316), (540, 1555737), (810, 1037158), (1620, 518579)]