31123620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1429}}^1$

素因数の和:1466

約数の個数: 108

約数和(自身を含む): 103843740

約数和(自身を除く): 72720120

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1429, 1452, 1815, 1980, 2178, 2420, 2858, 3630, 4287, 4356, 5445, 5716, 7145, 7260, 8574, 10890, 12861, 14290, 15719, 17148, 21435, 21780, 25722, 28580, 31438, 42870, 47157, 51444, 62876, 64305, 78595, 85740, 94314, 128610, 141471, 157190, 172909, 188628, 235785, 257220, 282942, 314380, 345818, 471570, 518727, 565884, 691636, 707355, 864545, 943140, 1037454, 1414710, 1556181, 1729090, 2074908, 2593635, 2829420, 3112362, 3458180, 5187270, 6224724, 7780905, 10374540, 15561810, 31123620]

約数ペア:

[(1, 31123620), (2, 15561810), (3, 10374540), (4, 7780905), (5, 6224724), (6, 5187270), (9, 3458180), (10, 3112362), (11, 2829420), (12, 2593635), (15, 2074908), (18, 1729090), (20, 1556181), (22, 1414710), (30, 1037454), (33, 943140), (36, 864545), (44, 707355), (45, 691636), (55, 565884), (60, 518727), (66, 471570), (90, 345818), (99, 314380), (110, 282942), (121, 257220), (132, 235785), (165, 188628), (180, 172909), (198, 157190), (220, 141471), (242, 128610), (330, 94314), (363, 85740), (396, 78595), (484, 64305), (495, 62876), (605, 51444), (660, 47157), (726, 42870), (990, 31438), (1089, 28580), (1210, 25722), (1429, 21780), (1452, 21435), (1815, 17148), (1980, 15719), (2178, 14290), (2420, 12861), (2858, 10890), (3630, 8574), (4287, 7260), (4356, 7145), (5445, 5716)]