1680531840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7522

約数の個数: 256

約数和(自身を含む): 6410577600

約数和(自身を除く): 4730045760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5616, 5760, 6240, 7020, 7481, 7488, 8320, 8640, 9360, 11232, 12480, 14040, 14962, 14976, 17280, 18720, 22443, 22464, 24960, 28080, 29924, 37405, 37440, 44886, 44928, 56160, 59848, 67329, 74810, 74880, 89772, 97253, 112215, 112320, 119696, 134658, 149620, 179544, 194506, 201987, 224430, 224640, 239392, 269316, 291759, 299240, 336645, 359088, 389012, 403974, 448860, 478784, 486265, 538632, 583518, 598480, 673290, 718176, 778024, 807948, 875277, 897720, 957568, 972530, 1009935, 1077264, 1167036, 1196960, 1346580, 1436352, 1458795, 1556048, 1615896, 1750554, 1795440, 1945060, 2019870, 2154528, 2334072, 2393920, 2625831, 2693160, 2872704, 2917590, 3112096, 3231792, 3501108, 3590880, 3890120, 4039740, 4309056, 4376385, 4668144, 4787840, 5251662, 5386320, 5835180, 6224192, 6463584, 7002216, 7181760, 7780240, 8079480, 8618112, 8752770, 9336288, 10503324, 10772640, 11670360, 12448384, 12927168, 13129155, 14004432, 14363520, 15560480, 16158960, 17505540, 18672576, 21006648, 21545280, 23340720, 25854336, 26258310, 28008864, 31120960, 32317920, 35011080, 37345152, 42013296, 43090560, 46681440, 52516620, 56017728, 62241920, 64635840, 70022160, 84026592, 93362880, 105033240, 112035456, 129271680, 140044320, 168053184, 186725760, 210066480, 280088640, 336106368, 420132960, 560177280, 840265920, 1680531840]

約数ペア:

[(1, 1680531840), (2, 840265920), (3, 560177280), (4, 420132960), (5, 336106368), (6, 280088640), (8, 210066480), (9, 186725760), (10, 168053184), (12, 140044320), (13, 129271680), (15, 112035456), (16, 105033240), (18, 93362880), (20, 84026592), (24, 70022160), (26, 64635840), (27, 62241920), (30, 56017728), (32, 52516620), (36, 46681440), (39, 43090560), (40, 42013296), (45, 37345152), (48, 35011080), (52, 32317920), (54, 31120960), (60, 28008864), (64, 26258310), (65, 25854336), (72, 23340720), (78, 21545280), (80, 21006648), (90, 18672576), (96, 17505540), (104, 16158960), (108, 15560480), (117, 14363520), (120, 14004432), (128, 13129155), (130, 12927168), (135, 12448384), (144, 11670360), (156, 10772640), (160, 10503324), (180, 9336288), (192, 8752770), (195, 8618112), (208, 8079480), (216, 7780240), (234, 7181760), (240, 7002216), (260, 6463584), (270, 6224192), (288, 5835180), (312, 5386320), (320, 5251662), (351, 4787840), (360, 4668144), (384, 4376385), (390, 4309056), (416, 4039740), (432, 3890120), (468, 3590880), (480, 3501108), (520, 3231792), (540, 3112096), (576, 2917590), (585, 2872704), (624, 2693160), (640, 2625831), (702, 2393920), (720, 2334072), (780, 2154528), (832, 2019870), (864, 1945060), (936, 1795440), (960, 1750554), (1040, 1615896), (1080, 1556048), (1152, 1458795), (1170, 1436352), (1248, 1346580), (1404, 1196960), (1440, 1167036), (1560, 1077264), (1664, 1009935), (1728, 972530), (1755, 957568), (1872, 897720), (1920, 875277), (2080, 807948), (2160, 778024), (2340, 718176), (2496, 673290), (2808, 598480), (2880, 583518), (3120, 538632), (3456, 486265), (3510, 478784), (3744, 448860), (4160, 403974), (4320, 389012), (4680, 359088), (4992, 336645), (5616, 299240), (5760, 291759), (6240, 269316), (7020, 239392), (7481, 224640), (7488, 224430), (8320, 201987), (8640, 194506), (9360, 179544), (11232, 149620), (12480, 134658), (14040, 119696), (14962, 112320), (14976, 112215), (17280, 97253), (18720, 89772), (22443, 74880), (22464, 74810), (24960, 67329), (28080, 59848), (29924, 56160), (37405, 44928), (37440, 44886)]