12158820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2225

約数の個数: 72

約数和(自身を含む): 38088960

約数和(自身を除く): 25930140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2179, 2790, 4358, 5580, 6537, 8716, 10895, 13074, 19611, 21790, 26148, 32685, 39222, 43580, 65370, 67549, 78444, 98055, 130740, 135098, 196110, 202647, 270196, 337745, 392220, 405294, 607941, 675490, 810588, 1013235, 1215882, 1350980, 2026470, 2431764, 3039705, 4052940, 6079410, 12158820]

約数ペア:

[(1, 12158820), (2, 6079410), (3, 4052940), (4, 3039705), (5, 2431764), (6, 2026470), (9, 1350980), (10, 1215882), (12, 1013235), (15, 810588), (18, 675490), (20, 607941), (30, 405294), (31, 392220), (36, 337745), (45, 270196), (60, 202647), (62, 196110), (90, 135098), (93, 130740), (124, 98055), (155, 78444), (180, 67549), (186, 65370), (279, 43580), (310, 39222), (372, 32685), (465, 26148), (558, 21790), (620, 19611), (930, 13074), (1116, 10895), (1395, 8716), (1860, 6537), (2179, 5580), (2790, 4358)]