660388872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1223

約数の個数: 128

約数和(自身を含む): 1951608960

約数和(自身を除く): 1291220088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 193, 264, 286, 312, 386, 429, 572, 579, 772, 858, 997, 1144, 1158, 1544, 1716, 1994, 2123, 2316, 2509, 2991, 3432, 3988, 4246, 4632, 5018, 5982, 6369, 7527, 7976, 8492, 10036, 10967, 11964, 12738, 12961, 15054, 16984, 20072, 21934, 23928, 25476, 25922, 27599, 30108, 32901, 38883, 43868, 50952, 51844, 55198, 60216, 65802, 77766, 82797, 87736, 103688, 110396, 131604, 142571, 155532, 165594, 192421, 220792, 263208, 285142, 311064, 331188, 384842, 427713, 570284, 577263, 662376, 769684, 855426, 1140568, 1154526, 1539368, 1710852, 2116631, 2309052, 2501473, 3421704, 4233262, 4618104, 5002946, 6349893, 7504419, 8466524, 10005892, 12699786, 15008838, 16933048, 20011784, 25399572, 27516203, 30017676, 50799144, 55032406, 60035352, 82548609, 110064812, 165097218, 220129624, 330194436, 660388872]

約数ペア:

[(1, 660388872), (2, 330194436), (3, 220129624), (4, 165097218), (6, 110064812), (8, 82548609), (11, 60035352), (12, 55032406), (13, 50799144), (22, 30017676), (24, 27516203), (26, 25399572), (33, 20011784), (39, 16933048), (44, 15008838), (52, 12699786), (66, 10005892), (78, 8466524), (88, 7504419), (104, 6349893), (132, 5002946), (143, 4618104), (156, 4233262), (193, 3421704), (264, 2501473), (286, 2309052), (312, 2116631), (386, 1710852), (429, 1539368), (572, 1154526), (579, 1140568), (772, 855426), (858, 769684), (997, 662376), (1144, 577263), (1158, 570284), (1544, 427713), (1716, 384842), (1994, 331188), (2123, 311064), (2316, 285142), (2509, 263208), (2991, 220792), (3432, 192421), (3988, 165594), (4246, 155532), (4632, 142571), (5018, 131604), (5982, 110396), (6369, 103688), (7527, 87736), (7976, 82797), (8492, 77766), (10036, 65802), (10967, 60216), (11964, 55198), (12738, 51844), (12961, 50952), (15054, 43868), (16984, 38883), (20072, 32901), (21934, 30108), (23928, 27599), (25476, 25922)]