45180560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 112492800

約数和(自身を除く): 67312240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 239, 272, 278, 340, 478, 556, 680, 695, 956, 1112, 1195, 1360, 1390, 1912, 2224, 2363, 2390, 2780, 3824, 4063, 4726, 4780, 5560, 8126, 9452, 9560, 11120, 11815, 16252, 18904, 19120, 20315, 23630, 32504, 33221, 37808, 40630, 47260, 65008, 66442, 81260, 94520, 132884, 162520, 166105, 189040, 265768, 325040, 332210, 531536, 564757, 664420, 1129514, 1328840, 2259028, 2657680, 2823785, 4518056, 5647570, 9036112, 11295140, 22590280, 45180560]

約数ペア:

[(1, 45180560), (2, 22590280), (4, 11295140), (5, 9036112), (8, 5647570), (10, 4518056), (16, 2823785), (17, 2657680), (20, 2259028), (34, 1328840), (40, 1129514), (68, 664420), (80, 564757), (85, 531536), (136, 332210), (139, 325040), (170, 265768), (239, 189040), (272, 166105), (278, 162520), (340, 132884), (478, 94520), (556, 81260), (680, 66442), (695, 65008), (956, 47260), (1112, 40630), (1195, 37808), (1360, 33221), (1390, 32504), (1912, 23630), (2224, 20315), (2363, 19120), (2390, 18904), (2780, 16252), (3824, 11815), (4063, 11120), (4726, 9560), (4780, 9452), (5560, 8126)]