72491782020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172599481}}^1$

素因数の和:172599500

約数の個数: 48

約数和(自身を含む): 231973703808

約数和(自身を除く): 159481921788

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, 172599481, 345198962, 517798443, 690397924, 862997405, 1035596886, 1208196367, 1725994810, 2071193772, 2416392734, 2588992215, 3451989620, 3624589101, 4832785468, 5177984430, 6040981835, 7249178202, 10355968860, 12081963670, 14498356404, 18122945505, 24163927340, 36245891010, 72491782020]

約数ペア:

[(1, 72491782020), (2, 36245891010), (3, 24163927340), (4, 18122945505), (5, 14498356404), (6, 12081963670), (7, 10355968860), (10, 7249178202), (12, 6040981835), (14, 5177984430), (15, 4832785468), (20, 3624589101), (21, 3451989620), (28, 2588992215), (30, 2416392734), (35, 2071193772), (42, 1725994810), (60, 1208196367), (70, 1035596886), (84, 862997405), (105, 690397924), (140, 517798443), (210, 345198962), (420, 172599481)]