31791540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 101888640

約数和(自身を除く): 70097100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 121, 132, 145, 151, 165, 174, 220, 242, 290, 302, 319, 330, 348, 363, 435, 453, 484, 580, 604, 605, 638, 660, 726, 755, 870, 906, 957, 1210, 1276, 1452, 1510, 1595, 1661, 1740, 1812, 1815, 1914, 2265, 2420, 3020, 3190, 3322, 3509, 3630, 3828, 4379, 4530, 4785, 4983, 6380, 6644, 7018, 7260, 8305, 8758, 9060, 9570, 9966, 10527, 13137, 14036, 16610, 17516, 17545, 18271, 19140, 19932, 21054, 21895, 24915, 26274, 33220, 35090, 36542, 42108, 43790, 48169, 49830, 52548, 52635, 54813, 65685, 70180, 73084, 87580, 91355, 96338, 99660, 105270, 109626, 131370, 144507, 182710, 192676, 210540, 219252, 240845, 262740, 274065, 289014, 365420, 481690, 529859, 548130, 578028, 722535, 963380, 1059718, 1096260, 1445070, 1589577, 2119436, 2649295, 2890140, 3179154, 5298590, 6358308, 7947885, 10597180, 15895770, 31791540]

約数ペア:

[(1, 31791540), (2, 15895770), (3, 10597180), (4, 7947885), (5, 6358308), (6, 5298590), (10, 3179154), (11, 2890140), (12, 2649295), (15, 2119436), (20, 1589577), (22, 1445070), (29, 1096260), (30, 1059718), (33, 963380), (44, 722535), (55, 578028), (58, 548130), (60, 529859), (66, 481690), (87, 365420), (110, 289014), (116, 274065), (121, 262740), (132, 240845), (145, 219252), (151, 210540), (165, 192676), (174, 182710), (220, 144507), (242, 131370), (290, 109626), (302, 105270), (319, 99660), (330, 96338), (348, 91355), (363, 87580), (435, 73084), (453, 70180), (484, 65685), (580, 54813), (604, 52635), (605, 52548), (638, 49830), (660, 48169), (726, 43790), (755, 42108), (870, 36542), (906, 35090), (957, 33220), (1210, 26274), (1276, 24915), (1452, 21895), (1510, 21054), (1595, 19932), (1661, 19140), (1740, 18271), (1812, 17545), (1815, 17516), (1914, 16610), (2265, 14036), (2420, 13137), (3020, 10527), (3190, 9966), (3322, 9570), (3509, 9060), (3630, 8758), (3828, 8305), (4379, 7260), (4530, 7018), (4785, 6644), (4983, 6380)]