68971560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 128

約数和(自身を含む): 241643520

約数和(自身を除く): 172671960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1747, 1880, 1974, 2632, 2820, 3290, 3494, 3948, 4935, 5241, 5640, 6580, 6988, 7896, 8735, 9870, 10482, 12229, 13160, 13976, 17470, 19740, 20964, 24458, 26205, 34940, 36687, 39480, 41928, 48916, 52410, 61145, 69880, 73374, 82109, 97832, 104820, 122290, 146748, 164218, 183435, 209640, 244580, 246327, 293496, 328436, 366870, 410545, 489160, 492654, 574763, 656872, 733740, 821090, 985308, 1149526, 1231635, 1467480, 1642180, 1724289, 1970616, 2299052, 2463270, 2873815, 3284360, 3448578, 4598104, 4926540, 5747630, 6897156, 8621445, 9853080, 11495260, 13794312, 17242890, 22990520, 34485780, 68971560]

約数ペア:

[(1, 68971560), (2, 34485780), (3, 22990520), (4, 17242890), (5, 13794312), (6, 11495260), (7, 9853080), (8, 8621445), (10, 6897156), (12, 5747630), (14, 4926540), (15, 4598104), (20, 3448578), (21, 3284360), (24, 2873815), (28, 2463270), (30, 2299052), (35, 1970616), (40, 1724289), (42, 1642180), (47, 1467480), (56, 1231635), (60, 1149526), (70, 985308), (84, 821090), (94, 733740), (105, 656872), (120, 574763), (140, 492654), (141, 489160), (168, 410545), (188, 366870), (210, 328436), (235, 293496), (280, 246327), (282, 244580), (329, 209640), (376, 183435), (420, 164218), (470, 146748), (564, 122290), (658, 104820), (705, 97832), (840, 82109), (940, 73374), (987, 69880), (1128, 61145), (1316, 52410), (1410, 48916), (1645, 41928), (1747, 39480), (1880, 36687), (1974, 34940), (2632, 26205), (2820, 24458), (3290, 20964), (3494, 19740), (3948, 17470), (4935, 13976), (5241, 13160), (5640, 12229), (6580, 10482), (6988, 9870), (7896, 8735)]