81755730

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{14419}}^1$

素因数の和:14445

約数の個数: 80

約数和(自身を含む): 251254080

約数和(自身を除く): 169498350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 14419, 28838, 43257, 72095, 86514, 100933, 129771, 144190, 201866, 216285, 259542, 302799, 389313, 432570, 504665, 605598, 648855, 778626, 908397, 1009330, 1167939, 1297710, 1513995, 1816794, 1946565, 2335878, 2725191, 3027990, 3893130, 4541985, 5450382, 5839695, 8175573, 9083970, 11679390, 13625955, 16351146, 27251910, 40877865, 81755730]

約数ペア:

[(1, 81755730), (2, 40877865), (3, 27251910), (5, 16351146), (6, 13625955), (7, 11679390), (9, 9083970), (10, 8175573), (14, 5839695), (15, 5450382), (18, 4541985), (21, 3893130), (27, 3027990), (30, 2725191), (35, 2335878), (42, 1946565), (45, 1816794), (54, 1513995), (63, 1297710), (70, 1167939), (81, 1009330), (90, 908397), (105, 778626), (126, 648855), (135, 605598), (162, 504665), (189, 432570), (210, 389313), (270, 302799), (315, 259542), (378, 216285), (405, 201866), (567, 144190), (630, 129771), (810, 100933), (945, 86514), (1134, 72095), (1890, 43257), (2835, 28838), (5670, 14419)]