256764120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13127}}^1$

素因数の和:13304

約数の個数: 64

約数和(自身を含む): 775077120

約数和(自身を除く): 518313000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 13127, 19560, 26254, 39381, 52508, 65635, 78762, 105016, 131270, 157524, 196905, 262540, 315048, 393810, 525080, 787620, 1575240, 2139701, 4279402, 6419103, 8558804, 10698505, 12838206, 17117608, 21397010, 25676412, 32095515, 42794020, 51352824, 64191030, 85588040, 128382060, 256764120]

約数ペア:

[(1, 256764120), (2, 128382060), (3, 85588040), (4, 64191030), (5, 51352824), (6, 42794020), (8, 32095515), (10, 25676412), (12, 21397010), (15, 17117608), (20, 12838206), (24, 10698505), (30, 8558804), (40, 6419103), (60, 4279402), (120, 2139701), (163, 1575240), (326, 787620), (489, 525080), (652, 393810), (815, 315048), (978, 262540), (1304, 196905), (1630, 157524), (1956, 131270), (2445, 105016), (3260, 78762), (3912, 65635), (4890, 52508), (6520, 39381), (9780, 26254), (13127, 19560)]