220843440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306727}}^1$

素因数の和:306746

約数の個数: 60

約数和(自身を含む): 741668304

約数和(自身を除く): 520824864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 306727, 613454, 920181, 1226908, 1533635, 1840362, 2453816, 2760543, 3067270, 3680724, 4600905, 4907632, 5521086, 6134540, 7361448, 9201810, 11042172, 12269080, 13802715, 14722896, 18403620, 22084344, 24538160, 27605430, 36807240, 44168688, 55210860, 73614480, 110421720, 220843440]

約数ペア:

[(1, 220843440), (2, 110421720), (3, 73614480), (4, 55210860), (5, 44168688), (6, 36807240), (8, 27605430), (9, 24538160), (10, 22084344), (12, 18403620), (15, 14722896), (16, 13802715), (18, 12269080), (20, 11042172), (24, 9201810), (30, 7361448), (36, 6134540), (40, 5521086), (45, 4907632), (48, 4600905), (60, 3680724), (72, 3067270), (80, 2760543), (90, 2453816), (120, 1840362), (144, 1533635), (180, 1226908), (240, 920181), (360, 613454), (720, 306727)]