157020780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{373859}}^1$

素因数の和:373878

約数の個数: 48

約数和(自身を含む): 502467840

約数和(自身を除く): 345447060

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, 373859, 747718, 1121577, 1495436, 1869295, 2243154, 2617013, 3738590, 4486308, 5234026, 5607885, 7477180, 7851039, 10468052, 11215770, 13085065, 15702078, 22431540, 26170130, 31404156, 39255195, 52340260, 78510390, 157020780]

約数ペア:

[(1, 157020780), (2, 78510390), (3, 52340260), (4, 39255195), (5, 31404156), (6, 26170130), (7, 22431540), (10, 15702078), (12, 13085065), (14, 11215770), (15, 10468052), (20, 7851039), (21, 7477180), (28, 5607885), (30, 5234026), (35, 4486308), (42, 3738590), (60, 2617013), (70, 2243154), (84, 1869295), (105, 1495436), (140, 1121577), (210, 747718), (420, 373859)]