313625360

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 749952000

約数和(自身を除く): 436326640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 239, 349, 376, 470, 478, 698, 752, 940, 956, 1195, 1396, 1745, 1880, 1912, 2390, 2792, 3490, 3760, 3824, 4780, 5584, 6980, 9560, 11233, 13960, 16403, 19120, 22466, 27920, 32806, 44932, 56165, 65612, 82015, 83411, 89864, 112330, 131224, 164030, 166822, 179728, 224660, 262448, 328060, 333644, 417055, 449320, 656120, 667288, 834110, 898640, 1312240, 1334576, 1668220, 3336440, 3920317, 6672880, 7840634, 15681268, 19601585, 31362536, 39203170, 62725072, 78406340, 156812680, 313625360]

約数ペア:

[(1, 313625360), (2, 156812680), (4, 78406340), (5, 62725072), (8, 39203170), (10, 31362536), (16, 19601585), (20, 15681268), (40, 7840634), (47, 6672880), (80, 3920317), (94, 3336440), (188, 1668220), (235, 1334576), (239, 1312240), (349, 898640), (376, 834110), (470, 667288), (478, 656120), (698, 449320), (752, 417055), (940, 333644), (956, 328060), (1195, 262448), (1396, 224660), (1745, 179728), (1880, 166822), (1912, 164030), (2390, 131224), (2792, 112330), (3490, 89864), (3760, 83411), (3824, 82015), (4780, 65612), (5584, 56165), (6980, 44932), (9560, 32806), (11233, 27920), (13960, 22466), (16403, 19120)]