138296720

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6379}}^1$

素因数の和:6663

約数の個数: 40

約数和(自身を含む): 322776960

約数和(自身を除く): 184480240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 6379, 10840, 12758, 21680, 25516, 31895, 51032, 63790, 102064, 127580, 255160, 510320, 1728709, 3457418, 6914836, 8643545, 13829672, 17287090, 27659344, 34574180, 69148360, 138296720]

約数ペア:

[(1, 138296720), (2, 69148360), (4, 34574180), (5, 27659344), (8, 17287090), (10, 13829672), (16, 8643545), (20, 6914836), (40, 3457418), (80, 1728709), (271, 510320), (542, 255160), (1084, 127580), (1355, 102064), (2168, 63790), (2710, 51032), (4336, 31895), (5420, 25516), (6379, 21680), (10840, 12758)]