1296540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4$

素因数の和:46

約数の個数: 120

約数和(自身を含む): 4705680

約数和(自身を除く): 3409140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 343, 378, 420, 441, 490, 540, 588, 630, 686, 735, 756, 882, 945, 980, 1029, 1260, 1323, 1372, 1470, 1715, 1764, 1890, 2058, 2205, 2401, 2646, 2940, 3087, 3430, 3780, 4116, 4410, 4802, 5145, 5292, 6174, 6615, 6860, 7203, 8820, 9261, 9604, 10290, 12005, 12348, 13230, 14406, 15435, 18522, 20580, 21609, 24010, 26460, 28812, 30870, 36015, 37044, 43218, 46305, 48020, 61740, 64827, 72030, 86436, 92610, 108045, 129654, 144060, 185220, 216090, 259308, 324135, 432180, 648270, 1296540]

約数ペア:

[(1, 1296540), (2, 648270), (3, 432180), (4, 324135), (5, 259308), (6, 216090), (7, 185220), (9, 144060), (10, 129654), (12, 108045), (14, 92610), (15, 86436), (18, 72030), (20, 64827), (21, 61740), (27, 48020), (28, 46305), (30, 43218), (35, 37044), (36, 36015), (42, 30870), (45, 28812), (49, 26460), (54, 24010), (60, 21609), (63, 20580), (70, 18522), (84, 15435), (90, 14406), (98, 13230), (105, 12348), (108, 12005), (126, 10290), (135, 9604), (140, 9261), (147, 8820), (180, 7203), (189, 6860), (196, 6615), (210, 6174), (245, 5292), (252, 5145), (270, 4802), (294, 4410), (315, 4116), (343, 3780), (378, 3430), (420, 3087), (441, 2940), (490, 2646), (540, 2401), (588, 2205), (630, 2058), (686, 1890), (735, 1764), (756, 1715), (882, 1470), (945, 1372), (980, 1323), (1029, 1260)]