640140960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10501}}^1$

素因数の和:10646

約数の個数: 96

約数和(自身を含む): 2032515072

約数和(自身を除く): 1392374112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 381, 480, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 4064, 5080, 6096, 7620, 10160, 10501, 12192, 15240, 20320, 21002, 30480, 31503, 42004, 52505, 60960, 63006, 84008, 105010, 126012, 157515, 168016, 210020, 252024, 315030, 336032, 420040, 504048, 630060, 840080, 1008096, 1260120, 1333627, 1680160, 2520240, 2667254, 4000881, 5040480, 5334508, 6668135, 8001762, 10669016, 13336270, 16003524, 20004405, 21338032, 26672540, 32007048, 40008810, 42676064, 53345080, 64014096, 80017620, 106690160, 128028192, 160035240, 213380320, 320070480, 640140960]

約数ペア:

[(1, 640140960), (2, 320070480), (3, 213380320), (4, 160035240), (5, 128028192), (6, 106690160), (8, 80017620), (10, 64014096), (12, 53345080), (15, 42676064), (16, 40008810), (20, 32007048), (24, 26672540), (30, 21338032), (32, 20004405), (40, 16003524), (48, 13336270), (60, 10669016), (80, 8001762), (96, 6668135), (120, 5334508), (127, 5040480), (160, 4000881), (240, 2667254), (254, 2520240), (381, 1680160), (480, 1333627), (508, 1260120), (635, 1008096), (762, 840080), (1016, 630060), (1270, 504048), (1524, 420040), (1905, 336032), (2032, 315030), (2540, 252024), (3048, 210020), (3810, 168016), (4064, 157515), (5080, 126012), (6096, 105010), (7620, 84008), (10160, 63006), (10501, 60960), (12192, 52505), (15240, 42004), (20320, 31503), (21002, 30480)]