278889360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1319}}^1$

素因数の和:2216

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 587305200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 881, 1319, 1762, 2638, 2643, 3524, 3957, 4405, 5276, 5286, 6595, 7048, 7914, 8810, 10552, 10572, 13190, 13215, 14096, 15828, 17620, 19785, 21104, 21144, 26380, 26430, 31656, 35240, 39570, 42288, 52760, 52860, 63312, 70480, 79140, 105520, 105720, 158280, 211440, 316560, 1162039, 2324078, 3486117, 4648156, 5810195, 6972234, 9296312, 11620390, 13944468, 17430585, 18592624, 23240780, 27888936, 34861170, 46481560, 55777872, 69722340, 92963120, 139444680, 278889360]

約数ペア:

[(1, 278889360), (2, 139444680), (3, 92963120), (4, 69722340), (5, 55777872), (6, 46481560), (8, 34861170), (10, 27888936), (12, 23240780), (15, 18592624), (16, 17430585), (20, 13944468), (24, 11620390), (30, 9296312), (40, 6972234), (48, 5810195), (60, 4648156), (80, 3486117), (120, 2324078), (240, 1162039), (881, 316560), (1319, 211440), (1762, 158280), (2638, 105720), (2643, 105520), (3524, 79140), (3957, 70480), (4405, 63312), (5276, 52860), (5286, 52760), (6595, 42288), (7048, 39570), (7914, 35240), (8810, 31656), (10552, 26430), (10572, 26380), (13190, 21144), (13215, 21104), (14096, 19785), (15828, 17620)]