31131540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1747}}^1$

素因数の和:1779

約数の個数: 120

約数和(自身を含む): 106600032

約数和(自身を除く): 75468492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1747, 1782, 1980, 2970, 3494, 3564, 4455, 5241, 5940, 6988, 8735, 8910, 10482, 15723, 17470, 17820, 19217, 20964, 26205, 31446, 34940, 38434, 47169, 52410, 57651, 62892, 76868, 78615, 94338, 96085, 104820, 115302, 141507, 157230, 172953, 188676, 192170, 230604, 235845, 283014, 288255, 314460, 345906, 384340, 471690, 518859, 566028, 576510, 691812, 707535, 864765, 943380, 1037718, 1153020, 1415070, 1556577, 1729530, 2075436, 2594295, 2830140, 3113154, 3459060, 5188590, 6226308, 7782885, 10377180, 15565770, 31131540]

約数ペア:

[(1, 31131540), (2, 15565770), (3, 10377180), (4, 7782885), (5, 6226308), (6, 5188590), (9, 3459060), (10, 3113154), (11, 2830140), (12, 2594295), (15, 2075436), (18, 1729530), (20, 1556577), (22, 1415070), (27, 1153020), (30, 1037718), (33, 943380), (36, 864765), (44, 707535), (45, 691812), (54, 576510), (55, 566028), (60, 518859), (66, 471690), (81, 384340), (90, 345906), (99, 314460), (108, 288255), (110, 283014), (132, 235845), (135, 230604), (162, 192170), (165, 188676), (180, 172953), (198, 157230), (220, 141507), (270, 115302), (297, 104820), (324, 96085), (330, 94338), (396, 78615), (405, 76868), (495, 62892), (540, 57651), (594, 52410), (660, 47169), (810, 38434), (891, 34940), (990, 31446), (1188, 26205), (1485, 20964), (1620, 19217), (1747, 17820), (1782, 17470), (1980, 15723), (2970, 10482), (3494, 8910), (3564, 8735), (4455, 6988), (5241, 5940)]