208970520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 727833600

約数和(自身を除く): 518863080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 53, 55, 58, 60, 66, 87, 88, 103, 106, 110, 116, 120, 132, 145, 159, 165, 174, 206, 212, 220, 232, 264, 265, 290, 309, 318, 319, 330, 348, 412, 424, 435, 440, 515, 530, 580, 583, 618, 636, 638, 660, 696, 795, 824, 870, 957, 1030, 1060, 1133, 1160, 1166, 1236, 1272, 1276, 1320, 1537, 1545, 1590, 1595, 1740, 1749, 1914, 2060, 2120, 2266, 2332, 2472, 2552, 2915, 2987, 3074, 3090, 3180, 3190, 3399, 3480, 3498, 3828, 4120, 4532, 4611, 4664, 4785, 5459, 5665, 5830, 5974, 6148, 6180, 6360, 6380, 6798, 6996, 7656, 7685, 8745, 8961, 9064, 9222, 9570, 10918, 11330, 11660, 11948, 12296, 12360, 12760, 13596, 13992, 14935, 15370, 16377, 16907, 16995, 17490, 17922, 18444, 19140, 21836, 22660, 23055, 23320, 23896, 27192, 27295, 29870, 30740, 32754, 32857, 33814, 33990, 34980, 35844, 36888, 38280, 43672, 44805, 45320, 46110, 50721, 54590, 59740, 60049, 61480, 65508, 65714, 67628, 67980, 69960, 71688, 81885, 84535, 89610, 92220, 98571, 101442, 109180, 119480, 120098, 131016, 131428, 135256, 135960, 158311, 163770, 164285, 169070, 179220, 180147, 184440, 197142, 202884, 218360, 240196, 253605, 262856, 300245, 316622, 327540, 328570, 338140, 358440, 360294, 394284, 405768, 474933, 480392, 492855, 507210, 600490, 633244, 655080, 657140, 676280, 720588, 788568, 791555, 900735, 949866, 985710, 1014420, 1200980, 1266488, 1314280, 1441176, 1583110, 1741421, 1801470, 1899732, 1971420, 2028840, 2374665, 2401960, 3166220, 3482842, 3602940, 3799464, 3942840, 4749330, 5224263, 6332440, 6965684, 7205880, 8707105, 9498660, 10448526, 13931368, 17414210, 18997320, 20897052, 26121315, 34828420, 41794104, 52242630, 69656840, 104485260, 208970520]

約数ペア:

[(1, 208970520), (2, 104485260), (3, 69656840), (4, 52242630), (5, 41794104), (6, 34828420), (8, 26121315), (10, 20897052), (11, 18997320), (12, 17414210), (15, 13931368), (20, 10448526), (22, 9498660), (24, 8707105), (29, 7205880), (30, 6965684), (33, 6332440), (40, 5224263), (44, 4749330), (53, 3942840), (55, 3799464), (58, 3602940), (60, 3482842), (66, 3166220), (87, 2401960), (88, 2374665), (103, 2028840), (106, 1971420), (110, 1899732), (116, 1801470), (120, 1741421), (132, 1583110), (145, 1441176), (159, 1314280), (165, 1266488), (174, 1200980), (206, 1014420), (212, 985710), (220, 949866), (232, 900735), (264, 791555), (265, 788568), (290, 720588), (309, 676280), (318, 657140), (319, 655080), (330, 633244), (348, 600490), (412, 507210), (424, 492855), (435, 480392), (440, 474933), (515, 405768), (530, 394284), (580, 360294), (583, 358440), (618, 338140), (636, 328570), (638, 327540), (660, 316622), (696, 300245), (795, 262856), (824, 253605), (870, 240196), (957, 218360), (1030, 202884), (1060, 197142), (1133, 184440), (1160, 180147), (1166, 179220), (1236, 169070), (1272, 164285), (1276, 163770), (1320, 158311), (1537, 135960), (1545, 135256), (1590, 131428), (1595, 131016), (1740, 120098), (1749, 119480), (1914, 109180), (2060, 101442), (2120, 98571), (2266, 92220), (2332, 89610), (2472, 84535), (2552, 81885), (2915, 71688), (2987, 69960), (3074, 67980), (3090, 67628), (3180, 65714), (3190, 65508), (3399, 61480), (3480, 60049), (3498, 59740), (3828, 54590), (4120, 50721), (4532, 46110), (4611, 45320), (4664, 44805), (4785, 43672), (5459, 38280), (5665, 36888), (5830, 35844), (5974, 34980), (6148, 33990), (6180, 33814), (6360, 32857), (6380, 32754), (6798, 30740), (6996, 29870), (7656, 27295), (7685, 27192), (8745, 23896), (8961, 23320), (9064, 23055), (9222, 22660), (9570, 21836), (10918, 19140), (11330, 18444), (11660, 17922), (11948, 17490), (12296, 16995), (12360, 16907), (12760, 16377), (13596, 15370), (13992, 14935)]