15205500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 49969920

約数和(自身を除く): 34764420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 109, 124, 125, 150, 155, 180, 186, 218, 225, 250, 279, 300, 310, 327, 372, 375, 436, 450, 465, 500, 545, 558, 620, 654, 750, 775, 900, 930, 981, 1090, 1116, 1125, 1308, 1395, 1500, 1550, 1635, 1860, 1962, 2180, 2250, 2325, 2725, 2790, 3100, 3270, 3379, 3875, 3924, 4500, 4650, 4905, 5450, 5580, 6540, 6758, 6975, 7750, 8175, 9300, 9810, 10137, 10900, 11625, 13516, 13625, 13950, 15500, 16350, 16895, 19620, 20274, 23250, 24525, 27250, 27900, 30411, 32700, 33790, 34875, 40548, 40875, 46500, 49050, 50685, 54500, 60822, 67580, 69750, 81750, 84475, 98100, 101370, 121644, 122625, 139500, 152055, 163500, 168950, 202740, 245250, 253425, 304110, 337900, 422375, 490500, 506850, 608220, 760275, 844750, 1013700, 1267125, 1520550, 1689500, 2534250, 3041100, 3801375, 5068500, 7602750, 15205500]

約数ペア:

[(1, 15205500), (2, 7602750), (3, 5068500), (4, 3801375), (5, 3041100), (6, 2534250), (9, 1689500), (10, 1520550), (12, 1267125), (15, 1013700), (18, 844750), (20, 760275), (25, 608220), (30, 506850), (31, 490500), (36, 422375), (45, 337900), (50, 304110), (60, 253425), (62, 245250), (75, 202740), (90, 168950), (93, 163500), (100, 152055), (109, 139500), (124, 122625), (125, 121644), (150, 101370), (155, 98100), (180, 84475), (186, 81750), (218, 69750), (225, 67580), (250, 60822), (279, 54500), (300, 50685), (310, 49050), (327, 46500), (372, 40875), (375, 40548), (436, 34875), (450, 33790), (465, 32700), (500, 30411), (545, 27900), (558, 27250), (620, 24525), (654, 23250), (750, 20274), (775, 19620), (900, 16895), (930, 16350), (981, 15500), (1090, 13950), (1116, 13625), (1125, 13516), (1308, 11625), (1395, 10900), (1500, 10137), (1550, 9810), (1635, 9300), (1860, 8175), (1962, 7750), (2180, 6975), (2250, 6758), (2325, 6540), (2725, 5580), (2790, 5450), (3100, 4905), (3270, 4650), (3379, 4500), (3875, 3924)]