12902220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23893}}^1$

素因数の和:23911

約数の個数: 48

約数和(自身を含む): 40141920

約数和(自身を除く): 27239700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23893, 47786, 71679, 95572, 119465, 143358, 215037, 238930, 286716, 358395, 430074, 477860, 645111, 716790, 860148, 1075185, 1290222, 1433580, 2150370, 2580444, 3225555, 4300740, 6451110, 12902220]

約数ペア:

[(1, 12902220), (2, 6451110), (3, 4300740), (4, 3225555), (5, 2580444), (6, 2150370), (9, 1433580), (10, 1290222), (12, 1075185), (15, 860148), (18, 716790), (20, 645111), (27, 477860), (30, 430074), (36, 358395), (45, 286716), (54, 238930), (60, 215037), (90, 143358), (108, 119465), (135, 95572), (180, 71679), (270, 47786), (540, 23893)]