12435640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1931}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 33384960

約数和(自身を除く): 20949320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 1931, 3220, 3862, 6440, 7724, 9655, 13517, 15448, 19310, 27034, 38620, 44413, 54068, 67585, 77240, 88826, 108136, 135170, 177652, 222065, 270340, 310891, 355304, 444130, 540680, 621782, 888260, 1243564, 1554455, 1776520, 2487128, 3108910, 6217820, 12435640]

約数ペア:

[(1, 12435640), (2, 6217820), (4, 3108910), (5, 2487128), (7, 1776520), (8, 1554455), (10, 1243564), (14, 888260), (20, 621782), (23, 540680), (28, 444130), (35, 355304), (40, 310891), (46, 270340), (56, 222065), (70, 177652), (92, 135170), (115, 108136), (140, 88826), (161, 77240), (184, 67585), (230, 54068), (280, 44413), (322, 38620), (460, 27034), (644, 19310), (805, 15448), (920, 13517), (1288, 9655), (1610, 7724), (1931, 6440), (3220, 3862)]