16238880

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 240

約数和(自身を含む): 65862720

約数和(自身を除く): 49623840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 179, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 358, 360, 378, 405, 420, 432, 480, 504, 537, 540, 560, 567, 630, 648, 672, 716, 720, 756, 810, 840, 864, 895, 945, 1008, 1074, 1080, 1120, 1134, 1253, 1260, 1296, 1432, 1440, 1512, 1611, 1620, 1680, 1790, 1890, 2016, 2148, 2160, 2268, 2506, 2520, 2592, 2685, 2835, 2864, 3024, 3222, 3240, 3360, 3580, 3759, 3780, 4296, 4320, 4536, 4833, 5012, 5040, 5370, 5670, 5728, 6048, 6265, 6444, 6480, 7160, 7518, 7560, 8055, 8592, 9072, 9666, 10024, 10080, 10740, 11277, 11340, 12530, 12888, 12960, 14320, 14499, 15036, 15120, 16110, 17184, 18144, 18795, 19332, 20048, 21480, 22554, 22680, 24165, 25060, 25776, 28640, 28998, 30072, 30240, 32220, 33831, 37590, 38664, 40096, 42960, 45108, 45360, 48330, 50120, 51552, 56385, 57996, 60144, 64440, 67662, 72495, 75180, 77328, 85920, 90216, 90720, 96660, 100240, 101493, 112770, 115992, 120288, 128880, 135324, 144990, 150360, 154656, 169155, 180432, 193320, 200480, 202986, 225540, 231984, 257760, 270648, 289980, 300720, 338310, 360864, 386640, 405972, 451080, 463968, 507465, 541296, 579960, 601440, 676620, 773280, 811944, 902160, 1014930, 1082592, 1159920, 1353240, 1623888, 1804320, 2029860, 2319840, 2706480, 3247776, 4059720, 5412960, 8119440, 16238880]

約数ペア:

[(1, 16238880), (2, 8119440), (3, 5412960), (4, 4059720), (5, 3247776), (6, 2706480), (7, 2319840), (8, 2029860), (9, 1804320), (10, 1623888), (12, 1353240), (14, 1159920), (15, 1082592), (16, 1014930), (18, 902160), (20, 811944), (21, 773280), (24, 676620), (27, 601440), (28, 579960), (30, 541296), (32, 507465), (35, 463968), (36, 451080), (40, 405972), (42, 386640), (45, 360864), (48, 338310), (54, 300720), (56, 289980), (60, 270648), (63, 257760), (70, 231984), (72, 225540), (80, 202986), (81, 200480), (84, 193320), (90, 180432), (96, 169155), (105, 154656), (108, 150360), (112, 144990), (120, 135324), (126, 128880), (135, 120288), (140, 115992), (144, 112770), (160, 101493), (162, 100240), (168, 96660), (179, 90720), (180, 90216), (189, 85920), (210, 77328), (216, 75180), (224, 72495), (240, 67662), (252, 64440), (270, 60144), (280, 57996), (288, 56385), (315, 51552), (324, 50120), (336, 48330), (358, 45360), (360, 45108), (378, 42960), (405, 40096), (420, 38664), (432, 37590), (480, 33831), (504, 32220), (537, 30240), (540, 30072), (560, 28998), (567, 28640), (630, 25776), (648, 25060), (672, 24165), (716, 22680), (720, 22554), (756, 21480), (810, 20048), (840, 19332), (864, 18795), (895, 18144), (945, 17184), (1008, 16110), (1074, 15120), (1080, 15036), (1120, 14499), (1134, 14320), (1253, 12960), (1260, 12888), (1296, 12530), (1432, 11340), (1440, 11277), (1512, 10740), (1611, 10080), (1620, 10024), (1680, 9666), (1790, 9072), (1890, 8592), (2016, 8055), (2148, 7560), (2160, 7518), (2268, 7160), (2506, 6480), (2520, 6444), (2592, 6265), (2685, 6048), (2835, 5728), (2864, 5670), (3024, 5370), (3222, 5040), (3240, 5012), (3360, 4833), (3580, 4536), (3759, 4320), (3780, 4296)]