251615760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:717

約数の個数: 160

約数和(自身を含む): 857088000

約数和(自身を除く): 605472240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 191, 220, 240, 264, 330, 382, 440, 499, 528, 573, 660, 764, 880, 955, 998, 1146, 1320, 1497, 1528, 1910, 1996, 2101, 2292, 2495, 2640, 2865, 2994, 3056, 3820, 3992, 4202, 4584, 4990, 5489, 5730, 5988, 6303, 7485, 7640, 7984, 8404, 9168, 9980, 10505, 10978, 11460, 11976, 12606, 14970, 15280, 16467, 16808, 19960, 21010, 21956, 22920, 23952, 25212, 27445, 29940, 31515, 32934, 33616, 39920, 42020, 43912, 45840, 50424, 54890, 59880, 63030, 65868, 82335, 84040, 87824, 95309, 100848, 109780, 119760, 126060, 131736, 164670, 168080, 190618, 219560, 252120, 263472, 285927, 329340, 381236, 439120, 476545, 504240, 571854, 658680, 762472, 953090, 1048399, 1143708, 1317360, 1429635, 1524944, 1906180, 2096798, 2287416, 2859270, 3145197, 3812360, 4193596, 4574832, 5241995, 5718540, 6290394, 7624720, 8387192, 10483990, 11437080, 12580788, 15725985, 16774384, 20967980, 22874160, 25161576, 31451970, 41935960, 50323152, 62903940, 83871920, 125807880, 251615760]

約数ペア:

[(1, 251615760), (2, 125807880), (3, 83871920), (4, 62903940), (5, 50323152), (6, 41935960), (8, 31451970), (10, 25161576), (11, 22874160), (12, 20967980), (15, 16774384), (16, 15725985), (20, 12580788), (22, 11437080), (24, 10483990), (30, 8387192), (33, 7624720), (40, 6290394), (44, 5718540), (48, 5241995), (55, 4574832), (60, 4193596), (66, 3812360), (80, 3145197), (88, 2859270), (110, 2287416), (120, 2096798), (132, 1906180), (165, 1524944), (176, 1429635), (191, 1317360), (220, 1143708), (240, 1048399), (264, 953090), (330, 762472), (382, 658680), (440, 571854), (499, 504240), (528, 476545), (573, 439120), (660, 381236), (764, 329340), (880, 285927), (955, 263472), (998, 252120), (1146, 219560), (1320, 190618), (1497, 168080), (1528, 164670), (1910, 131736), (1996, 126060), (2101, 119760), (2292, 109780), (2495, 100848), (2640, 95309), (2865, 87824), (2994, 84040), (3056, 82335), (3820, 65868), (3992, 63030), (4202, 59880), (4584, 54890), (4990, 50424), (5489, 45840), (5730, 43912), (5988, 42020), (6303, 39920), (7485, 33616), (7640, 32934), (7984, 31515), (8404, 29940), (9168, 27445), (9980, 25212), (10505, 23952), (10978, 22920), (11460, 21956), (11976, 21010), (12606, 19960), (14970, 16808), (15280, 16467)]