85728780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{52919}}^1$

素因数の和:52940

約数の個数: 60

約数和(自身を含む): 268939440

約数和(自身を除く): 183210660

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, 52919, 105838, 158757, 211676, 264595, 317514, 476271, 529190, 635028, 793785, 952542, 1058380, 1428813, 1587570, 1905084, 2381355, 2857626, 3175140, 4286439, 4762710, 5715252, 7144065, 8572878, 9525420, 14288130, 17145756, 21432195, 28576260, 42864390, 85728780]

約数ペア:

[(1, 85728780), (2, 42864390), (3, 28576260), (4, 21432195), (5, 17145756), (6, 14288130), (9, 9525420), (10, 8572878), (12, 7144065), (15, 5715252), (18, 4762710), (20, 4286439), (27, 3175140), (30, 2857626), (36, 2381355), (45, 1905084), (54, 1587570), (60, 1428813), (81, 1058380), (90, 952542), (108, 793785), (135, 635028), (162, 529190), (180, 476271), (270, 317514), (324, 264595), (405, 211676), (540, 158757), (810, 105838), (1620, 52919)]