201816560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2903}}^1$

素因数の和:3006

約数の個数: 80

約数和(自身を含む): 518538240

約数和(自身を除く): 316721680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 2903, 3160, 3476, 4345, 5806, 6320, 6952, 8690, 11612, 13904, 14515, 17380, 23224, 29030, 31933, 34760, 46448, 58060, 63866, 69520, 116120, 127732, 159665, 229337, 232240, 255464, 319330, 458674, 510928, 638660, 917348, 1146685, 1277320, 1834696, 2293370, 2522707, 2554640, 3669392, 4586740, 5045414, 9173480, 10090828, 12613535, 18346960, 20181656, 25227070, 40363312, 50454140, 100908280, 201816560]

約数ペア:

[(1, 201816560), (2, 100908280), (4, 50454140), (5, 40363312), (8, 25227070), (10, 20181656), (11, 18346960), (16, 12613535), (20, 10090828), (22, 9173480), (40, 5045414), (44, 4586740), (55, 3669392), (79, 2554640), (80, 2522707), (88, 2293370), (110, 1834696), (158, 1277320), (176, 1146685), (220, 917348), (316, 638660), (395, 510928), (440, 458674), (632, 319330), (790, 255464), (869, 232240), (880, 229337), (1264, 159665), (1580, 127732), (1738, 116120), (2903, 69520), (3160, 63866), (3476, 58060), (4345, 46448), (5806, 34760), (6320, 31933), (6952, 29030), (8690, 23224), (11612, 17380), (13904, 14515)]