72913540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17959}}^1$

素因数の和:18004

約数の個数: 48

約数和(自身を含む): 181036800

約数和(自身を除く): 108123260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 17959, 35918, 71836, 89795, 125713, 179590, 251426, 359180, 502852, 520811, 628565, 1041622, 1257130, 2083244, 2514260, 2604055, 3645677, 5208110, 7291354, 10416220, 14582708, 18228385, 36456770, 72913540]

約数ペア:

[(1, 72913540), (2, 36456770), (4, 18228385), (5, 14582708), (7, 10416220), (10, 7291354), (14, 5208110), (20, 3645677), (28, 2604055), (29, 2514260), (35, 2083244), (58, 1257130), (70, 1041622), (116, 628565), (140, 520811), (145, 502852), (203, 359180), (290, 251426), (406, 179590), (580, 125713), (812, 89795), (1015, 71836), (2030, 35918), (4060, 17959)]