18663120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^2$

素因数の和:79

約数の個数: 270

約数和(自身を含む): 76217778

約数和(自身を除く): 57554658

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 49, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 98, 105, 112, 115, 120, 126, 138, 140, 144, 147, 161, 168, 180, 184, 196, 207, 210, 230, 240, 245, 252, 276, 280, 294, 315, 322, 336, 345, 360, 368, 392, 414, 420, 441, 460, 483, 490, 504, 529, 552, 560, 588, 630, 644, 690, 720, 735, 784, 805, 828, 840, 882, 920, 966, 980, 1008, 1035, 1058, 1104, 1127, 1176, 1260, 1288, 1380, 1449, 1470, 1587, 1610, 1656, 1680, 1764, 1840, 1932, 1960, 2070, 2116, 2205, 2254, 2352, 2415, 2520, 2576, 2645, 2760, 2898, 2940, 3174, 3220, 3312, 3381, 3528, 3703, 3864, 3920, 4140, 4232, 4410, 4508, 4761, 4830, 5040, 5290, 5520, 5635, 5796, 5880, 6348, 6440, 6762, 7056, 7245, 7406, 7728, 7935, 8280, 8464, 8820, 9016, 9522, 9660, 10143, 10580, 11109, 11270, 11592, 11760, 12696, 12880, 13524, 14490, 14812, 15870, 16560, 16905, 17640, 18032, 18515, 19044, 19320, 20286, 21160, 22218, 22540, 23184, 23805, 25392, 25921, 27048, 28980, 29624, 31740, 33327, 33810, 35280, 37030, 38088, 38640, 40572, 42320, 44436, 45080, 47610, 50715, 51842, 54096, 55545, 57960, 59248, 63480, 66654, 67620, 74060, 76176, 77763, 81144, 88872, 90160, 95220, 101430, 103684, 111090, 115920, 126960, 129605, 133308, 135240, 148120, 155526, 162288, 166635, 177744, 190440, 202860, 207368, 222180, 233289, 259210, 266616, 270480, 296240, 311052, 333270, 380880, 388815, 405720, 414736, 444360, 466578, 518420, 533232, 622104, 666540, 777630, 811440, 888720, 933156, 1036840, 1166445, 1244208, 1333080, 1555260, 1866312, 2073680, 2332890, 2666160, 3110520, 3732624, 4665780, 6221040, 9331560, 18663120]

約数ペア:

[(1, 18663120), (2, 9331560), (3, 6221040), (4, 4665780), (5, 3732624), (6, 3110520), (7, 2666160), (8, 2332890), (9, 2073680), (10, 1866312), (12, 1555260), (14, 1333080), (15, 1244208), (16, 1166445), (18, 1036840), (20, 933156), (21, 888720), (23, 811440), (24, 777630), (28, 666540), (30, 622104), (35, 533232), (36, 518420), (40, 466578), (42, 444360), (45, 414736), (46, 405720), (48, 388815), (49, 380880), (56, 333270), (60, 311052), (63, 296240), (69, 270480), (70, 266616), (72, 259210), (80, 233289), (84, 222180), (90, 207368), (92, 202860), (98, 190440), (105, 177744), (112, 166635), (115, 162288), (120, 155526), (126, 148120), (138, 135240), (140, 133308), (144, 129605), (147, 126960), (161, 115920), (168, 111090), (180, 103684), (184, 101430), (196, 95220), (207, 90160), (210, 88872), (230, 81144), (240, 77763), (245, 76176), (252, 74060), (276, 67620), (280, 66654), (294, 63480), (315, 59248), (322, 57960), (336, 55545), (345, 54096), (360, 51842), (368, 50715), (392, 47610), (414, 45080), (420, 44436), (441, 42320), (460, 40572), (483, 38640), (490, 38088), (504, 37030), (529, 35280), (552, 33810), (560, 33327), (588, 31740), (630, 29624), (644, 28980), (690, 27048), (720, 25921), (735, 25392), (784, 23805), (805, 23184), (828, 22540), (840, 22218), (882, 21160), (920, 20286), (966, 19320), (980, 19044), (1008, 18515), (1035, 18032), (1058, 17640), (1104, 16905), (1127, 16560), (1176, 15870), (1260, 14812), (1288, 14490), (1380, 13524), (1449, 12880), (1470, 12696), (1587, 11760), (1610, 11592), (1656, 11270), (1680, 11109), (1764, 10580), (1840, 10143), (1932, 9660), (1960, 9522), (2070, 9016), (2116, 8820), (2205, 8464), (2254, 8280), (2352, 7935), (2415, 7728), (2520, 7406), (2576, 7245), (2645, 7056), (2760, 6762), (2898, 6440), (2940, 6348), (3174, 5880), (3220, 5796), (3312, 5635), (3381, 5520), (3528, 5290), (3703, 5040), (3864, 4830), (3920, 4761), (4140, 4508), (4232, 4410)]