208759920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{23509}}^1$

素因数の和:23562

約数の個数: 80

約数和(自身を含む): 664674720

約数和(自身を除く): 455914800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 23509, 47018, 70527, 94036, 117545, 141054, 188072, 235090, 282108, 352635, 376144, 470180, 564216, 705270, 869833, 940360, 1128432, 1410540, 1739666, 1880720, 2609499, 2821080, 3479332, 4349165, 5218998, 5642160, 6958664, 8698330, 10437996, 13047495, 13917328, 17396660, 20875992, 26094990, 34793320, 41751984, 52189980, 69586640, 104379960, 208759920]

約数ペア:

[(1, 208759920), (2, 104379960), (3, 69586640), (4, 52189980), (5, 41751984), (6, 34793320), (8, 26094990), (10, 20875992), (12, 17396660), (15, 13917328), (16, 13047495), (20, 10437996), (24, 8698330), (30, 6958664), (37, 5642160), (40, 5218998), (48, 4349165), (60, 3479332), (74, 2821080), (80, 2609499), (111, 1880720), (120, 1739666), (148, 1410540), (185, 1128432), (222, 940360), (240, 869833), (296, 705270), (370, 564216), (444, 470180), (555, 376144), (592, 352635), (740, 282108), (888, 235090), (1110, 188072), (1480, 141054), (1776, 117545), (2220, 94036), (2960, 70527), (4440, 47018), (8880, 23509)]