313660960

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27611}}^1$

素因数の和:27697

約数の個数: 48

約数和(自身を含む): 751488192

約数和(自身を除く): 437827232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 27611, 55222, 110444, 138055, 220888, 276110, 441776, 552220, 883552, 1104440, 1960381, 2208880, 3920762, 4417760, 7841524, 9801905, 15683048, 19603810, 31366096, 39207620, 62732192, 78415240, 156830480, 313660960]

約数ペア:

[(1, 313660960), (2, 156830480), (4, 78415240), (5, 62732192), (8, 39207620), (10, 31366096), (16, 19603810), (20, 15683048), (32, 9801905), (40, 7841524), (71, 4417760), (80, 3920762), (142, 2208880), (160, 1960381), (284, 1104440), (355, 883552), (568, 552220), (710, 441776), (1136, 276110), (1420, 220888), (2272, 138055), (2840, 110444), (5680, 55222), (11360, 27611)]