31359240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7919}}^1$

素因数の和:7947

約数の個数: 96

約数和(自身を含む): 111196800

約数和(自身を除く): 79837560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7919, 15838, 23757, 31676, 39595, 47514, 63352, 71271, 79190, 87109, 95028, 118785, 142542, 158380, 174218, 190056, 237570, 261327, 285084, 316760, 348436, 356355, 435545, 475140, 522654, 570168, 696872, 712710, 783981, 871090, 950280, 1045308, 1306635, 1425420, 1567962, 1742180, 2090616, 2613270, 2850840, 3135924, 3484360, 3919905, 5226540, 6271848, 7839810, 10453080, 15679620, 31359240]

約数ペア:

[(1, 31359240), (2, 15679620), (3, 10453080), (4, 7839810), (5, 6271848), (6, 5226540), (8, 3919905), (9, 3484360), (10, 3135924), (11, 2850840), (12, 2613270), (15, 2090616), (18, 1742180), (20, 1567962), (22, 1425420), (24, 1306635), (30, 1045308), (33, 950280), (36, 871090), (40, 783981), (44, 712710), (45, 696872), (55, 570168), (60, 522654), (66, 475140), (72, 435545), (88, 356355), (90, 348436), (99, 316760), (110, 285084), (120, 261327), (132, 237570), (165, 190056), (180, 174218), (198, 158380), (220, 142542), (264, 118785), (330, 95028), (360, 87109), (396, 79190), (440, 71271), (495, 63352), (660, 47514), (792, 39595), (990, 31676), (1320, 23757), (1980, 15838), (3960, 7919)]