72510720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 144

約数和(自身を含む): 241944192

約数和(自身を除く): 169433472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 821, 920, 960, 1104, 1280, 1380, 1472, 1642, 1840, 1920, 2208, 2463, 2760, 2944, 3284, 3680, 3840, 4105, 4416, 4926, 5520, 5888, 6568, 7360, 8210, 8832, 9852, 11040, 12315, 13136, 14720, 16420, 17664, 18883, 19704, 22080, 24630, 26272, 29440, 32840, 37766, 39408, 44160, 49260, 52544, 56649, 65680, 75532, 78816, 88320, 94415, 98520, 105088, 113298, 131360, 151064, 157632, 188830, 197040, 210176, 226596, 262720, 283245, 302128, 315264, 377660, 394080, 453192, 525440, 566490, 604256, 630528, 755320, 788160, 906384, 1050880, 1132980, 1208512, 1510640, 1576320, 1812768, 2265960, 2417024, 3021280, 3152640, 3625536, 4531920, 4834048, 6042560, 7251072, 9063840, 12085120, 14502144, 18127680, 24170240, 36255360, 72510720]

約数ペア:

[(1, 72510720), (2, 36255360), (3, 24170240), (4, 18127680), (5, 14502144), (6, 12085120), (8, 9063840), (10, 7251072), (12, 6042560), (15, 4834048), (16, 4531920), (20, 3625536), (23, 3152640), (24, 3021280), (30, 2417024), (32, 2265960), (40, 1812768), (46, 1576320), (48, 1510640), (60, 1208512), (64, 1132980), (69, 1050880), (80, 906384), (92, 788160), (96, 755320), (115, 630528), (120, 604256), (128, 566490), (138, 525440), (160, 453192), (184, 394080), (192, 377660), (230, 315264), (240, 302128), (256, 283245), (276, 262720), (320, 226596), (345, 210176), (368, 197040), (384, 188830), (460, 157632), (480, 151064), (552, 131360), (640, 113298), (690, 105088), (736, 98520), (768, 94415), (821, 88320), (920, 78816), (960, 75532), (1104, 65680), (1280, 56649), (1380, 52544), (1472, 49260), (1642, 44160), (1840, 39408), (1920, 37766), (2208, 32840), (2463, 29440), (2760, 26272), (2944, 24630), (3284, 22080), (3680, 19704), (3840, 18883), (4105, 17664), (4416, 16420), (4926, 14720), (5520, 13136), (5888, 12315), (6568, 11040), (7360, 9852), (8210, 8832)]