689097780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{8681}}^1$

素因数の和:8716

約数の個数: 180

約数和(自身を含む): 2514949668

約数和(自身を除く): 1825851888

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, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 4410, 5292, 5670, 6615, 7938, 8681, 8820, 11340, 13230, 15876, 17362, 19845, 26043, 26460, 34724, 39690, 43405, 52086, 60767, 78129, 79380, 86810, 104172, 121534, 130215, 156258, 173620, 182301, 234387, 243068, 260430, 303835, 312516, 364602, 390645, 425369, 468774, 520860, 546903, 607670, 703161, 729204, 781290, 850738, 911505, 937548, 1093806, 1171935, 1215340, 1276107, 1406322, 1562580, 1640709, 1701476, 1823010, 2126845, 2187612, 2343870, 2552214, 2734515, 2812644, 3281418, 3515805, 3646020, 3828321, 4253690, 4687740, 4922127, 5104428, 5469030, 6380535, 6562836, 7031610, 7656642, 8203545, 8507380, 9844254, 10938060, 11484963, 12761070, 14063220, 15313284, 16407090, 19141605, 19688508, 22969926, 24610635, 25522140, 32814180, 34454889, 38283210, 45939852, 49221270, 57424815, 68909778, 76566420, 98442540, 114849630, 137819556, 172274445, 229699260, 344548890, 689097780]

約数ペア:

[(1, 689097780), (2, 344548890), (3, 229699260), (4, 172274445), (5, 137819556), (6, 114849630), (7, 98442540), (9, 76566420), (10, 68909778), (12, 57424815), (14, 49221270), (15, 45939852), (18, 38283210), (20, 34454889), (21, 32814180), (27, 25522140), (28, 24610635), (30, 22969926), (35, 19688508), (36, 19141605), (42, 16407090), (45, 15313284), (49, 14063220), (54, 12761070), (60, 11484963), (63, 10938060), (70, 9844254), (81, 8507380), (84, 8203545), (90, 7656642), (98, 7031610), (105, 6562836), (108, 6380535), (126, 5469030), (135, 5104428), (140, 4922127), (147, 4687740), (162, 4253690), (180, 3828321), (189, 3646020), (196, 3515805), (210, 3281418), (245, 2812644), (252, 2734515), (270, 2552214), (294, 2343870), (315, 2187612), (324, 2126845), (378, 1823010), (405, 1701476), (420, 1640709), (441, 1562580), (490, 1406322), (540, 1276107), (567, 1215340), (588, 1171935), (630, 1093806), (735, 937548), (756, 911505), (810, 850738), (882, 781290), (945, 729204), (980, 703161), (1134, 607670), (1260, 546903), (1323, 520860), (1470, 468774), (1620, 425369), (1764, 390645), (1890, 364602), (2205, 312516), (2268, 303835), (2646, 260430), (2835, 243068), (2940, 234387), (3780, 182301), (3969, 173620), (4410, 156258), (5292, 130215), (5670, 121534), (6615, 104172), (7938, 86810), (8681, 79380), (8820, 78129), (11340, 60767), (13230, 52086), (15876, 43405), (17362, 39690), (19845, 34724), (26043, 26460)]