18668880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 200

約数和(自身を含む): 67337952

約数和(自身を除く): 48669072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 67, 72, 80, 81, 86, 90, 108, 120, 129, 134, 135, 144, 162, 172, 180, 201, 215, 216, 240, 258, 268, 270, 324, 335, 344, 360, 387, 402, 405, 430, 432, 516, 536, 540, 603, 645, 648, 670, 688, 720, 774, 804, 810, 860, 1005, 1032, 1072, 1080, 1161, 1206, 1290, 1296, 1340, 1548, 1608, 1620, 1720, 1809, 1935, 2010, 2064, 2160, 2322, 2412, 2580, 2680, 2881, 3015, 3096, 3216, 3240, 3440, 3483, 3618, 3870, 4020, 4644, 4824, 5160, 5360, 5427, 5762, 5805, 6030, 6192, 6480, 6966, 7236, 7740, 8040, 8643, 9045, 9288, 9648, 10320, 10854, 11524, 11610, 12060, 13932, 14405, 14472, 15480, 16080, 17286, 17415, 18090, 18576, 21708, 23048, 23220, 24120, 25929, 27135, 27864, 28810, 28944, 30960, 34572, 34830, 36180, 43215, 43416, 46096, 46440, 48240, 51858, 54270, 55728, 57620, 69144, 69660, 72360, 77787, 86430, 86832, 92880, 103716, 108540, 115240, 129645, 138288, 139320, 144720, 155574, 172860, 207432, 217080, 230480, 233361, 259290, 278640, 311148, 345720, 388935, 414864, 434160, 466722, 518580, 622296, 691440, 777870, 933444, 1037160, 1166805, 1244592, 1555740, 1866888, 2074320, 2333610, 3111480, 3733776, 4667220, 6222960, 9334440, 18668880]

約数ペア:

[(1, 18668880), (2, 9334440), (3, 6222960), (4, 4667220), (5, 3733776), (6, 3111480), (8, 2333610), (9, 2074320), (10, 1866888), (12, 1555740), (15, 1244592), (16, 1166805), (18, 1037160), (20, 933444), (24, 777870), (27, 691440), (30, 622296), (36, 518580), (40, 466722), (43, 434160), (45, 414864), (48, 388935), (54, 345720), (60, 311148), (67, 278640), (72, 259290), (80, 233361), (81, 230480), (86, 217080), (90, 207432), (108, 172860), (120, 155574), (129, 144720), (134, 139320), (135, 138288), (144, 129645), (162, 115240), (172, 108540), (180, 103716), (201, 92880), (215, 86832), (216, 86430), (240, 77787), (258, 72360), (268, 69660), (270, 69144), (324, 57620), (335, 55728), (344, 54270), (360, 51858), (387, 48240), (402, 46440), (405, 46096), (430, 43416), (432, 43215), (516, 36180), (536, 34830), (540, 34572), (603, 30960), (645, 28944), (648, 28810), (670, 27864), (688, 27135), (720, 25929), (774, 24120), (804, 23220), (810, 23048), (860, 21708), (1005, 18576), (1032, 18090), (1072, 17415), (1080, 17286), (1161, 16080), (1206, 15480), (1290, 14472), (1296, 14405), (1340, 13932), (1548, 12060), (1608, 11610), (1620, 11524), (1720, 10854), (1809, 10320), (1935, 9648), (2010, 9288), (2064, 9045), (2160, 8643), (2322, 8040), (2412, 7740), (2580, 7236), (2680, 6966), (2881, 6480), (3015, 6192), (3096, 6030), (3216, 5805), (3240, 5762), (3440, 5427), (3483, 5360), (3618, 5160), (3870, 4824), (4020, 4644)]