7998480

素因数分解:

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

素因数の和:75

約数の個数: 240

約数和(自身を含む): 32914560

約数和(自身を除く): 24916080

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, 35, 36, 40, 42, 45, 46, 48, 54, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 161, 168, 180, 184, 189, 207, 210, 216, 230, 240, 252, 270, 276, 280, 315, 322, 336, 345, 360, 368, 378, 414, 420, 432, 460, 483, 504, 529, 540, 552, 560, 621, 630, 644, 690, 720, 756, 805, 828, 840, 920, 945, 966, 1008, 1035, 1058, 1080, 1104, 1242, 1260, 1288, 1380, 1449, 1512, 1587, 1610, 1656, 1680, 1840, 1890, 1932, 2070, 2116, 2160, 2415, 2484, 2520, 2576, 2645, 2760, 2898, 3024, 3105, 3174, 3220, 3312, 3703, 3780, 3864, 4140, 4232, 4347, 4761, 4830, 4968, 5040, 5290, 5520, 5796, 6210, 6348, 6440, 7245, 7406, 7560, 7728, 7935, 8280, 8464, 8694, 9522, 9660, 9936, 10580, 11109, 11592, 12420, 12696, 12880, 14283, 14490, 14812, 15120, 15870, 16560, 17388, 18515, 19044, 19320, 21160, 21735, 22218, 23184, 23805, 24840, 25392, 28566, 28980, 29624, 31740, 33327, 34776, 37030, 38088, 38640, 42320, 43470, 44436, 47610, 49680, 55545, 57132, 57960, 59248, 63480, 66654, 69552, 71415, 74060, 76176, 86940, 88872, 95220, 99981, 111090, 114264, 115920, 126960, 133308, 142830, 148120, 166635, 173880, 177744, 190440, 199962, 222180, 228528, 266616, 285660, 296240, 333270, 347760, 380880, 399924, 444360, 499905, 533232, 571320, 666540, 799848, 888720, 999810, 1142640, 1333080, 1599696, 1999620, 2666160, 3999240, 7998480]

約数ペア:

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