639376560

素因数分解:

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

素因数の和:8275

約数の個数: 120

約数和(自身を含む): 2167205040

約数和(自身を除く): 1527828480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 3270, 3924, 4360, 4905, 5232, 6540, 7848, 8147, 8720, 9810, 13080, 15696, 16294, 19620, 24441, 26160, 32588, 39240, 40735, 48882, 65176, 73323, 78480, 81470, 97764, 122205, 130352, 146646, 162940, 195528, 244410, 293292, 325880, 366615, 391056, 488820, 586584, 651760, 733230, 888023, 977640, 1173168, 1466460, 1776046, 1955280, 2664069, 2932920, 3552092, 4440115, 5328138, 5865840, 7104184, 7992207, 8880230, 10656276, 13320345, 14208368, 15984414, 17760460, 21312552, 26640690, 31968828, 35520920, 39961035, 42625104, 53281380, 63937656, 71041840, 79922070, 106562760, 127875312, 159844140, 213125520, 319688280, 639376560]

約数ペア:

[(1, 639376560), (2, 319688280), (3, 213125520), (4, 159844140), (5, 127875312), (6, 106562760), (8, 79922070), (9, 71041840), (10, 63937656), (12, 53281380), (15, 42625104), (16, 39961035), (18, 35520920), (20, 31968828), (24, 26640690), (30, 21312552), (36, 17760460), (40, 15984414), (45, 14208368), (48, 13320345), (60, 10656276), (72, 8880230), (80, 7992207), (90, 7104184), (109, 5865840), (120, 5328138), (144, 4440115), (180, 3552092), (218, 2932920), (240, 2664069), (327, 1955280), (360, 1776046), (436, 1466460), (545, 1173168), (654, 977640), (720, 888023), (872, 733230), (981, 651760), (1090, 586584), (1308, 488820), (1635, 391056), (1744, 366615), (1962, 325880), (2180, 293292), (2616, 244410), (3270, 195528), (3924, 162940), (4360, 146646), (4905, 130352), (5232, 122205), (6540, 97764), (7848, 81470), (8147, 78480), (8720, 73323), (9810, 65176), (13080, 48882), (15696, 40735), (16294, 39240), (19620, 32588), (24441, 26160)]