28539240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2309}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 86486400

約数和(自身を除く): 57947160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2309, 2472, 3090, 4120, 4618, 6180, 6927, 9236, 11545, 12360, 13854, 18472, 23090, 27708, 34635, 46180, 55416, 69270, 92360, 138540, 237827, 277080, 475654, 713481, 951308, 1189135, 1426962, 1902616, 2378270, 2853924, 3567405, 4756540, 5707848, 7134810, 9513080, 14269620, 28539240]

約数ペア:

[(1, 28539240), (2, 14269620), (3, 9513080), (4, 7134810), (5, 5707848), (6, 4756540), (8, 3567405), (10, 2853924), (12, 2378270), (15, 1902616), (20, 1426962), (24, 1189135), (30, 951308), (40, 713481), (60, 475654), (103, 277080), (120, 237827), (206, 138540), (309, 92360), (412, 69270), (515, 55416), (618, 46180), (824, 34635), (1030, 27708), (1236, 23090), (1545, 18472), (2060, 13854), (2309, 12360), (2472, 11545), (3090, 9236), (4120, 6927), (4618, 6180)]