28151100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1060

約数の個数: 108

約数和(自身を含む): 91174720

約数和(自身を除く): 63023620

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, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 775, 900, 930, 1009, 1116, 1395, 1550, 1860, 2018, 2325, 2790, 3027, 3100, 4036, 4650, 5045, 5580, 6054, 6975, 9081, 9300, 10090, 12108, 13950, 15135, 18162, 20180, 25225, 27900, 30270, 31279, 36324, 45405, 50450, 60540, 62558, 75675, 90810, 93837, 100900, 125116, 151350, 156395, 181620, 187674, 227025, 281511, 302700, 312790, 375348, 454050, 469185, 563022, 625580, 781975, 908100, 938370, 1126044, 1407555, 1563950, 1876740, 2345925, 2815110, 3127900, 4691850, 5630220, 7037775, 9383700, 14075550, 28151100]

約数ペア:

[(1, 28151100), (2, 14075550), (3, 9383700), (4, 7037775), (5, 5630220), (6, 4691850), (9, 3127900), (10, 2815110), (12, 2345925), (15, 1876740), (18, 1563950), (20, 1407555), (25, 1126044), (30, 938370), (31, 908100), (36, 781975), (45, 625580), (50, 563022), (60, 469185), (62, 454050), (75, 375348), (90, 312790), (93, 302700), (100, 281511), (124, 227025), (150, 187674), (155, 181620), (180, 156395), (186, 151350), (225, 125116), (279, 100900), (300, 93837), (310, 90810), (372, 75675), (450, 62558), (465, 60540), (558, 50450), (620, 45405), (775, 36324), (900, 31279), (930, 30270), (1009, 27900), (1116, 25225), (1395, 20180), (1550, 18162), (1860, 15135), (2018, 13950), (2325, 12108), (2790, 10090), (3027, 9300), (3100, 9081), (4036, 6975), (4650, 6054), (5045, 5580)]