123546420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1811}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 375953760

約数和(自身を除く): 252407340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1811, 1895, 2274, 3411, 3622, 3790, 4548, 5433, 5685, 6822, 7244, 7580, 9055, 10866, 11370, 13644, 16299, 17055, 18110, 21732, 22740, 27165, 32598, 34110, 36220, 54330, 65196, 68220, 81495, 108660, 162990, 325980, 686369, 1372738, 2059107, 2745476, 3431845, 4118214, 6177321, 6863690, 8236428, 10295535, 12354642, 13727380, 20591070, 24709284, 30886605, 41182140, 61773210, 123546420]

約数ペア:

[(1, 123546420), (2, 61773210), (3, 41182140), (4, 30886605), (5, 24709284), (6, 20591070), (9, 13727380), (10, 12354642), (12, 10295535), (15, 8236428), (18, 6863690), (20, 6177321), (30, 4118214), (36, 3431845), (45, 2745476), (60, 2059107), (90, 1372738), (180, 686369), (379, 325980), (758, 162990), (1137, 108660), (1516, 81495), (1811, 68220), (1895, 65196), (2274, 54330), (3411, 36220), (3622, 34110), (3790, 32598), (4548, 27165), (5433, 22740), (5685, 21732), (6822, 18110), (7244, 17055), (7580, 16299), (9055, 13644), (10866, 11370)]