81247980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 249661440

約数和(自身を除く): 168413460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 257, 330, 479, 514, 660, 771, 958, 1028, 1285, 1437, 1542, 1916, 2395, 2570, 2827, 2874, 3084, 3855, 4790, 5140, 5269, 5654, 5748, 7185, 7710, 8481, 9580, 10538, 11308, 14135, 14370, 15420, 15807, 16962, 21076, 26345, 28270, 28740, 31614, 33924, 42405, 52690, 56540, 63228, 79035, 84810, 105380, 123103, 158070, 169620, 246206, 316140, 369309, 492412, 615515, 738618, 1231030, 1354133, 1477236, 1846545, 2462060, 2708266, 3693090, 4062399, 5416532, 6770665, 7386180, 8124798, 13541330, 16249596, 20311995, 27082660, 40623990, 81247980]

約数ペア:

[(1, 81247980), (2, 40623990), (3, 27082660), (4, 20311995), (5, 16249596), (6, 13541330), (10, 8124798), (11, 7386180), (12, 6770665), (15, 5416532), (20, 4062399), (22, 3693090), (30, 2708266), (33, 2462060), (44, 1846545), (55, 1477236), (60, 1354133), (66, 1231030), (110, 738618), (132, 615515), (165, 492412), (220, 369309), (257, 316140), (330, 246206), (479, 169620), (514, 158070), (660, 123103), (771, 105380), (958, 84810), (1028, 79035), (1285, 63228), (1437, 56540), (1542, 52690), (1916, 42405), (2395, 33924), (2570, 31614), (2827, 28740), (2874, 28270), (3084, 26345), (3855, 21076), (4790, 16962), (5140, 15807), (5269, 15420), (5654, 14370), (5748, 14135), (7185, 11308), (7710, 10538), (8481, 9580)]