264220240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 629959680

約数和(自身を除く): 365739440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 97, 158, 194, 316, 388, 395, 431, 485, 632, 776, 790, 862, 970, 1264, 1552, 1580, 1724, 1940, 2155, 3160, 3448, 3880, 4310, 6320, 6896, 7663, 7760, 8620, 15326, 17240, 30652, 34049, 34480, 38315, 41807, 61304, 68098, 76630, 83614, 122608, 136196, 153260, 167228, 170245, 209035, 272392, 306520, 334456, 340490, 418070, 544784, 613040, 668912, 680980, 836140, 1361960, 1672280, 2723920, 3302753, 3344560, 6605506, 13211012, 16513765, 26422024, 33027530, 52844048, 66055060, 132110120, 264220240]

約数ペア:

[(1, 264220240), (2, 132110120), (4, 66055060), (5, 52844048), (8, 33027530), (10, 26422024), (16, 16513765), (20, 13211012), (40, 6605506), (79, 3344560), (80, 3302753), (97, 2723920), (158, 1672280), (194, 1361960), (316, 836140), (388, 680980), (395, 668912), (431, 613040), (485, 544784), (632, 418070), (776, 340490), (790, 334456), (862, 306520), (970, 272392), (1264, 209035), (1552, 170245), (1580, 167228), (1724, 153260), (1940, 136196), (2155, 122608), (3160, 83614), (3448, 76630), (3880, 68098), (4310, 61304), (6320, 41807), (6896, 38315), (7663, 34480), (7760, 34049), (8620, 30652), (15326, 17240)]