15996960

素因数分解:

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

素因数の和:77

約数の個数: 288

約数和(自身を含む): 66890880

約数和(自身を除く): 50893920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 54, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 160, 161, 168, 180, 184, 189, 207, 210, 216, 224, 230, 240, 252, 270, 276, 280, 288, 315, 322, 336, 345, 360, 368, 378, 414, 420, 432, 460, 480, 483, 504, 529, 540, 552, 560, 621, 630, 644, 672, 690, 720, 736, 756, 805, 828, 840, 864, 920, 945, 966, 1008, 1035, 1058, 1080, 1104, 1120, 1242, 1260, 1288, 1380, 1440, 1449, 1512, 1587, 1610, 1656, 1680, 1840, 1890, 1932, 2016, 2070, 2116, 2160, 2208, 2415, 2484, 2520, 2576, 2645, 2760, 2898, 3024, 3105, 3174, 3220, 3312, 3360, 3680, 3703, 3780, 3864, 4140, 4232, 4320, 4347, 4761, 4830, 4968, 5040, 5152, 5290, 5520, 5796, 6048, 6210, 6348, 6440, 6624, 7245, 7406, 7560, 7728, 7935, 8280, 8464, 8694, 9522, 9660, 9936, 10080, 10580, 11040, 11109, 11592, 12420, 12696, 12880, 14283, 14490, 14812, 15120, 15456, 15870, 16560, 16928, 17388, 18515, 19044, 19320, 19872, 21160, 21735, 22218, 23184, 23805, 24840, 25392, 25760, 28566, 28980, 29624, 30240, 31740, 33120, 33327, 34776, 37030, 38088, 38640, 42320, 43470, 44436, 46368, 47610, 49680, 50784, 55545, 57132, 57960, 59248, 63480, 66654, 69552, 71415, 74060, 76176, 77280, 84640, 86940, 88872, 95220, 99360, 99981, 111090, 114264, 115920, 118496, 126960, 133308, 139104, 142830, 148120, 152352, 166635, 173880, 177744, 190440, 199962, 222180, 228528, 231840, 253920, 266616, 285660, 296240, 333270, 347760, 355488, 380880, 399924, 444360, 457056, 499905, 533232, 571320, 592480, 666540, 695520, 761760, 799848, 888720, 999810, 1066464, 1142640, 1333080, 1599696, 1777440, 1999620, 2285280, 2666160, 3199392, 3999240, 5332320, 7998480, 15996960]

約数ペア:

[(1, 15996960), (2, 7998480), (3, 5332320), (4, 3999240), (5, 3199392), (6, 2666160), (7, 2285280), (8, 1999620), (9, 1777440), (10, 1599696), (12, 1333080), (14, 1142640), (15, 1066464), (16, 999810), (18, 888720), (20, 799848), (21, 761760), (23, 695520), (24, 666540), (27, 592480), (28, 571320), (30, 533232), (32, 499905), (35, 457056), (36, 444360), (40, 399924), (42, 380880), (45, 355488), (46, 347760), (48, 333270), (54, 296240), (56, 285660), (60, 266616), (63, 253920), (69, 231840), (70, 228528), (72, 222180), (80, 199962), (84, 190440), (90, 177744), (92, 173880), (96, 166635), (105, 152352), (108, 148120), (112, 142830), (115, 139104), (120, 133308), (126, 126960), (135, 118496), (138, 115920), (140, 114264), (144, 111090), (160, 99981), (161, 99360), (168, 95220), (180, 88872), (184, 86940), (189, 84640), (207, 77280), (210, 76176), (216, 74060), (224, 71415), (230, 69552), (240, 66654), (252, 63480), (270, 59248), (276, 57960), (280, 57132), (288, 55545), (315, 50784), (322, 49680), (336, 47610), (345, 46368), (360, 44436), (368, 43470), (378, 42320), (414, 38640), (420, 38088), (432, 37030), (460, 34776), (480, 33327), (483, 33120), (504, 31740), (529, 30240), (540, 29624), (552, 28980), (560, 28566), (621, 25760), (630, 25392), (644, 24840), (672, 23805), (690, 23184), (720, 22218), (736, 21735), (756, 21160), (805, 19872), (828, 19320), (840, 19044), (864, 18515), (920, 17388), (945, 16928), (966, 16560), (1008, 15870), (1035, 15456), (1058, 15120), (1080, 14812), (1104, 14490), (1120, 14283), (1242, 12880), (1260, 12696), (1288, 12420), (1380, 11592), (1440, 11109), (1449, 11040), (1512, 10580), (1587, 10080), (1610, 9936), (1656, 9660), (1680, 9522), (1840, 8694), (1890, 8464), (1932, 8280), (2016, 7935), (2070, 7728), (2116, 7560), (2160, 7406), (2208, 7245), (2415, 6624), (2484, 6440), (2520, 6348), (2576, 6210), (2645, 6048), (2760, 5796), (2898, 5520), (3024, 5290), (3105, 5152), (3174, 5040), (3220, 4968), (3312, 4830), (3360, 4761), (3680, 4347), (3703, 4320), (3780, 4232), (3864, 4140)]