257580360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3391}}^1$

素因数の和:3619

約数の個数: 96

約数和(自身を含む): 841351680

約数和(自身を除く): 583771320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 211, 360, 422, 633, 844, 1055, 1266, 1688, 1899, 2110, 2532, 3165, 3391, 3798, 4220, 5064, 6330, 6782, 7596, 8440, 9495, 10173, 12660, 13564, 15192, 16955, 18990, 20346, 25320, 27128, 30519, 33910, 37980, 40692, 50865, 61038, 67820, 75960, 81384, 101730, 122076, 135640, 152595, 203460, 244152, 305190, 406920, 610380, 715501, 1220760, 1431002, 2146503, 2862004, 3577505, 4293006, 5724008, 6439509, 7155010, 8586012, 10732515, 12879018, 14310020, 17172024, 21465030, 25758036, 28620040, 32197545, 42930060, 51516072, 64395090, 85860120, 128790180, 257580360]

約数ペア:

[(1, 257580360), (2, 128790180), (3, 85860120), (4, 64395090), (5, 51516072), (6, 42930060), (8, 32197545), (9, 28620040), (10, 25758036), (12, 21465030), (15, 17172024), (18, 14310020), (20, 12879018), (24, 10732515), (30, 8586012), (36, 7155010), (40, 6439509), (45, 5724008), (60, 4293006), (72, 3577505), (90, 2862004), (120, 2146503), (180, 1431002), (211, 1220760), (360, 715501), (422, 610380), (633, 406920), (844, 305190), (1055, 244152), (1266, 203460), (1688, 152595), (1899, 135640), (2110, 122076), (2532, 101730), (3165, 81384), (3391, 75960), (3798, 67820), (4220, 61038), (5064, 50865), (6330, 40692), (6782, 37980), (7596, 33910), (8440, 30519), (9495, 27128), (10173, 25320), (12660, 20346), (13564, 18990), (15192, 16955)]