72022020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171481}}^1$

素因数の和:171500

約数の個数: 48

約数和(自身を含む): 230471808

約数和(自身を除く): 158449788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171481, 342962, 514443, 685924, 857405, 1028886, 1200367, 1714810, 2057772, 2400734, 2572215, 3429620, 3601101, 4801468, 5144430, 6001835, 7202202, 10288860, 12003670, 14404404, 18005505, 24007340, 36011010, 72022020]

約数ペア:

[(1, 72022020), (2, 36011010), (3, 24007340), (4, 18005505), (5, 14404404), (6, 12003670), (7, 10288860), (10, 7202202), (12, 6001835), (14, 5144430), (15, 4801468), (20, 3601101), (21, 3429620), (28, 2572215), (30, 2400734), (35, 2057772), (42, 1714810), (60, 1200367), (70, 1028886), (84, 857405), (105, 685924), (140, 514443), (210, 342962), (420, 171481)]