1781580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 5209344

約数和(自身を除く): 3427764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1291, 1380, 2582, 3873, 5164, 6455, 7746, 12910, 15492, 19365, 25820, 29693, 38730, 59386, 77460, 89079, 118772, 148465, 178158, 296930, 356316, 445395, 593860, 890790, 1781580]

約数ペア:

[(1, 1781580), (2, 890790), (3, 593860), (4, 445395), (5, 356316), (6, 296930), (10, 178158), (12, 148465), (15, 118772), (20, 89079), (23, 77460), (30, 59386), (46, 38730), (60, 29693), (69, 25820), (92, 19365), (115, 15492), (138, 12910), (230, 7746), (276, 6455), (345, 5164), (460, 3873), (690, 2582), (1291, 1380)]