15505490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 37497600

約数和(自身を除く): 21992110

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1549, 2002, 3098, 5005, 7745, 10010, 10843, 15490, 17039, 20137, 21686, 34078, 40274, 54215, 85195, 100685, 108430, 119273, 140959, 170390, 201370, 221507, 238546, 281918, 443014, 596365, 704795, 1107535, 1192730, 1409590, 1550549, 2215070, 3101098, 7752745, 15505490]

約数ペア:

[(1, 15505490), (2, 7752745), (5, 3101098), (7, 2215070), (10, 1550549), (11, 1409590), (13, 1192730), (14, 1107535), (22, 704795), (26, 596365), (35, 443014), (55, 281918), (65, 238546), (70, 221507), (77, 201370), (91, 170390), (110, 140959), (130, 119273), (143, 108430), (154, 100685), (182, 85195), (286, 54215), (385, 40274), (455, 34078), (715, 21686), (770, 20137), (910, 17039), (1001, 15490), (1430, 10843), (1549, 10010), (2002, 7745), (3098, 5005)]