279404640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{21559}}^1$

素因数の和:21586

約数の個数: 120

約数和(自身を含む): 986111280

約数和(自身を除く): 706706640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 21559, 43118, 64677, 86236, 107795, 129354, 172472, 194031, 215590, 258708, 323385, 344944, 388062, 431180, 517416, 582093, 646770, 689888, 776124, 862360, 970155, 1034832, 1164186, 1293540, 1552248, 1724720, 1746279, 1940310, 2069664, 2328372, 2587080, 2910465, 3104496, 3449440, 3492558, 3880620, 4656744, 5174160, 5820930, 6208992, 6985116, 7761240, 8731395, 9313488, 10348320, 11641860, 13970232, 15522480, 17462790, 18626976, 23283720, 27940464, 31044960, 34925580, 46567440, 55880928, 69851160, 93134880, 139702320, 279404640]

約数ペア:

[(1, 279404640), (2, 139702320), (3, 93134880), (4, 69851160), (5, 55880928), (6, 46567440), (8, 34925580), (9, 31044960), (10, 27940464), (12, 23283720), (15, 18626976), (16, 17462790), (18, 15522480), (20, 13970232), (24, 11641860), (27, 10348320), (30, 9313488), (32, 8731395), (36, 7761240), (40, 6985116), (45, 6208992), (48, 5820930), (54, 5174160), (60, 4656744), (72, 3880620), (80, 3492558), (81, 3449440), (90, 3104496), (96, 2910465), (108, 2587080), (120, 2328372), (135, 2069664), (144, 1940310), (160, 1746279), (162, 1724720), (180, 1552248), (216, 1293540), (240, 1164186), (270, 1034832), (288, 970155), (324, 862360), (360, 776124), (405, 689888), (432, 646770), (480, 582093), (540, 517416), (648, 431180), (720, 388062), (810, 344944), (864, 323385), (1080, 258708), (1296, 215590), (1440, 194031), (1620, 172472), (2160, 129354), (2592, 107795), (3240, 86236), (4320, 64677), (6480, 43118), (12960, 21559)]