664930140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1583167}}^1$

素因数の和:1583186

約数の個数: 48

約数和(自身を含む): 2127777792

約数和(自身を除く): 1462847652

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, 1583167, 3166334, 4749501, 6332668, 7915835, 9499002, 11082169, 15831670, 18998004, 22164338, 23747505, 31663340, 33246507, 44328676, 47495010, 55410845, 66493014, 94990020, 110821690, 132986028, 166232535, 221643380, 332465070, 664930140]

約数ペア:

[(1, 664930140), (2, 332465070), (3, 221643380), (4, 166232535), (5, 132986028), (6, 110821690), (7, 94990020), (10, 66493014), (12, 55410845), (14, 47495010), (15, 44328676), (20, 33246507), (21, 31663340), (28, 23747505), (30, 22164338), (35, 18998004), (42, 15831670), (60, 11082169), (70, 9499002), (84, 7915835), (105, 6332668), (140, 4749501), (210, 3166334), (420, 1583167)]