557468080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31531}}^1$

素因数の和:31574

約数の個数: 80

約数和(自身を含む): 1477967904

約数和(自身を除く): 920499824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 31531, 63062, 126124, 157655, 252248, 315310, 409903, 504496, 536027, 630620, 819806, 1072054, 1261240, 1639612, 2049515, 2144108, 2522480, 2680135, 3279224, 4099030, 4288216, 5360270, 6558448, 6968351, 8198060, 8576432, 10720540, 13936702, 16396120, 21441080, 27873404, 32792240, 34841755, 42882160, 55746808, 69683510, 111493616, 139367020, 278734040, 557468080]

約数ペア:

[(1, 557468080), (2, 278734040), (4, 139367020), (5, 111493616), (8, 69683510), (10, 55746808), (13, 42882160), (16, 34841755), (17, 32792240), (20, 27873404), (26, 21441080), (34, 16396120), (40, 13936702), (52, 10720540), (65, 8576432), (68, 8198060), (80, 6968351), (85, 6558448), (104, 5360270), (130, 4288216), (136, 4099030), (170, 3279224), (208, 2680135), (221, 2522480), (260, 2144108), (272, 2049515), (340, 1639612), (442, 1261240), (520, 1072054), (680, 819806), (884, 630620), (1040, 536027), (1105, 504496), (1360, 409903), (1768, 315310), (2210, 252248), (3536, 157655), (4420, 126124), (8840, 63062), (17680, 31531)]