312326960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1381}}^1$

素因数の和:1662

約数の個数: 80

約数和(自身を含む): 795832992

約数和(自身を除く): 483506032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 440, 514, 880, 1028, 1285, 1381, 2056, 2570, 2762, 2827, 4112, 5140, 5524, 5654, 6905, 10280, 11048, 11308, 13810, 14135, 15191, 20560, 22096, 22616, 27620, 28270, 30382, 45232, 55240, 56540, 60764, 75955, 110480, 113080, 121528, 151910, 226160, 243056, 303820, 354917, 607640, 709834, 1215280, 1419668, 1774585, 2839336, 3549170, 3904087, 5678672, 7098340, 7808174, 14196680, 15616348, 19520435, 28393360, 31232696, 39040870, 62465392, 78081740, 156163480, 312326960]

約数ペア:

[(1, 312326960), (2, 156163480), (4, 78081740), (5, 62465392), (8, 39040870), (10, 31232696), (11, 28393360), (16, 19520435), (20, 15616348), (22, 14196680), (40, 7808174), (44, 7098340), (55, 5678672), (80, 3904087), (88, 3549170), (110, 2839336), (176, 1774585), (220, 1419668), (257, 1215280), (440, 709834), (514, 607640), (880, 354917), (1028, 303820), (1285, 243056), (1381, 226160), (2056, 151910), (2570, 121528), (2762, 113080), (2827, 110480), (4112, 75955), (5140, 60764), (5524, 56540), (5654, 55240), (6905, 45232), (10280, 30382), (11048, 28270), (11308, 27620), (13810, 22616), (14135, 22096), (15191, 20560)]