278212320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{21467}}^1$

素因数の和:21494

約数の個数: 120

約数和(自身を含む): 981903384

約数和(自身を除く): 703691064

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, 21467, 42934, 64401, 85868, 107335, 128802, 171736, 193203, 214670, 257604, 322005, 343472, 386406, 429340, 515208, 579609, 644010, 686944, 772812, 858680, 966015, 1030416, 1159218, 1288020, 1545624, 1717360, 1738827, 1932030, 2060832, 2318436, 2576040, 2898045, 3091248, 3434720, 3477654, 3864060, 4636872, 5152080, 5796090, 6182496, 6955308, 7728120, 8694135, 9273744, 10304160, 11592180, 13910616, 15456240, 17388270, 18547488, 23184360, 27821232, 30912480, 34776540, 46368720, 55642464, 69553080, 92737440, 139106160, 278212320]

約数ペア:

[(1, 278212320), (2, 139106160), (3, 92737440), (4, 69553080), (5, 55642464), (6, 46368720), (8, 34776540), (9, 30912480), (10, 27821232), (12, 23184360), (15, 18547488), (16, 17388270), (18, 15456240), (20, 13910616), (24, 11592180), (27, 10304160), (30, 9273744), (32, 8694135), (36, 7728120), (40, 6955308), (45, 6182496), (48, 5796090), (54, 5152080), (60, 4636872), (72, 3864060), (80, 3477654), (81, 3434720), (90, 3091248), (96, 2898045), (108, 2576040), (120, 2318436), (135, 2060832), (144, 1932030), (160, 1738827), (162, 1717360), (180, 1545624), (216, 1288020), (240, 1159218), (270, 1030416), (288, 966015), (324, 858680), (360, 772812), (405, 686944), (432, 644010), (480, 579609), (540, 515208), (648, 429340), (720, 386406), (810, 343472), (864, 322005), (1080, 257604), (1296, 214670), (1440, 193203), (1620, 171736), (2160, 128802), (2592, 107335), (3240, 85868), (4320, 64401), (6480, 42934), (12960, 21467)]