213125520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8147}}^1$

素因数の和:8272

約数の個数: 80

約数和(自身を含む): 666832320

約数和(自身を除く): 453706800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8147, 8720, 13080, 16294, 24441, 26160, 32588, 40735, 48882, 65176, 81470, 97764, 122205, 130352, 162940, 195528, 244410, 325880, 391056, 488820, 651760, 888023, 977640, 1776046, 1955280, 2664069, 3552092, 4440115, 5328138, 7104184, 8880230, 10656276, 13320345, 14208368, 17760460, 21312552, 26640690, 35520920, 42625104, 53281380, 71041840, 106562760, 213125520]

約数ペア:

[(1, 213125520), (2, 106562760), (3, 71041840), (4, 53281380), (5, 42625104), (6, 35520920), (8, 26640690), (10, 21312552), (12, 17760460), (15, 14208368), (16, 13320345), (20, 10656276), (24, 8880230), (30, 7104184), (40, 5328138), (48, 4440115), (60, 3552092), (80, 2664069), (109, 1955280), (120, 1776046), (218, 977640), (240, 888023), (327, 651760), (436, 488820), (545, 391056), (654, 325880), (872, 244410), (1090, 195528), (1308, 162940), (1635, 130352), (1744, 122205), (2180, 97764), (2616, 81470), (3270, 65176), (4360, 48882), (5232, 40735), (6540, 32588), (8147, 26160), (8720, 24441), (13080, 16294)]