1221507840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1567}}^1$

素因数の和:1627

約数の個数: 288

約数和(自身を含む): 4615188480

約数和(自身を除く): 3393680640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 64, 70, 80, 84, 87, 96, 105, 112, 116, 120, 128, 140, 145, 160, 168, 174, 192, 203, 210, 224, 232, 240, 256, 280, 290, 320, 336, 348, 384, 406, 420, 435, 448, 464, 480, 560, 580, 609, 640, 672, 696, 768, 812, 840, 870, 896, 928, 960, 1015, 1120, 1160, 1218, 1280, 1344, 1392, 1567, 1624, 1680, 1740, 1792, 1856, 1920, 2030, 2240, 2320, 2436, 2688, 2784, 3045, 3134, 3248, 3360, 3480, 3712, 3840, 4060, 4480, 4640, 4701, 4872, 5376, 5568, 6090, 6268, 6496, 6720, 6960, 7424, 7835, 8120, 8960, 9280, 9402, 9744, 10969, 11136, 12180, 12536, 12992, 13440, 13920, 15670, 16240, 18560, 18804, 19488, 21938, 22272, 23505, 24360, 25072, 25984, 26880, 27840, 31340, 32480, 32907, 37120, 37608, 38976, 43876, 45443, 47010, 48720, 50144, 51968, 54845, 55680, 62680, 64960, 65814, 75216, 77952, 87752, 90886, 94020, 97440, 100288, 109690, 111360, 125360, 129920, 131628, 136329, 150432, 155904, 164535, 175504, 181772, 188040, 194880, 200576, 219380, 227215, 250720, 259840, 263256, 272658, 300864, 318101, 329070, 351008, 363544, 376080, 389760, 401152, 438760, 454430, 501440, 526512, 545316, 601728, 636202, 658140, 681645, 702016, 727088, 752160, 779520, 877520, 908860, 954303, 1002880, 1053024, 1090632, 1203456, 1272404, 1316280, 1363290, 1404032, 1454176, 1504320, 1590505, 1755040, 1817720, 1908606, 2005760, 2106048, 2181264, 2544808, 2632560, 2726580, 2808064, 2908352, 3008640, 3181010, 3510080, 3635440, 3817212, 4212096, 4362528, 4771515, 5089616, 5265120, 5453160, 5816704, 6017280, 6362020, 7020160, 7270880, 7634424, 8424192, 8725056, 9543030, 10179232, 10530240, 10906320, 11633408, 12724040, 14040320, 14541760, 15268848, 17450112, 19086060, 20358464, 21060480, 21812640, 25448080, 29083520, 30537696, 34900224, 38172120, 40716928, 42120960, 43625280, 50896160, 58167040, 61075392, 76344240, 81433856, 87250560, 101792320, 122150784, 152688480, 174501120, 203584640, 244301568, 305376960, 407169280, 610753920, 1221507840]

約数ペア:

[(1, 1221507840), (2, 610753920), (3, 407169280), (4, 305376960), (5, 244301568), (6, 203584640), (7, 174501120), (8, 152688480), (10, 122150784), (12, 101792320), (14, 87250560), (15, 81433856), (16, 76344240), (20, 61075392), (21, 58167040), (24, 50896160), (28, 43625280), (29, 42120960), (30, 40716928), (32, 38172120), (35, 34900224), (40, 30537696), (42, 29083520), (48, 25448080), (56, 21812640), (58, 21060480), (60, 20358464), (64, 19086060), (70, 17450112), (80, 15268848), (84, 14541760), (87, 14040320), (96, 12724040), (105, 11633408), (112, 10906320), (116, 10530240), (120, 10179232), (128, 9543030), (140, 8725056), (145, 8424192), (160, 7634424), (168, 7270880), (174, 7020160), (192, 6362020), (203, 6017280), (210, 5816704), (224, 5453160), (232, 5265120), (240, 5089616), (256, 4771515), (280, 4362528), (290, 4212096), (320, 3817212), (336, 3635440), (348, 3510080), (384, 3181010), (406, 3008640), (420, 2908352), (435, 2808064), (448, 2726580), (464, 2632560), (480, 2544808), (560, 2181264), (580, 2106048), (609, 2005760), (640, 1908606), (672, 1817720), (696, 1755040), (768, 1590505), (812, 1504320), (840, 1454176), (870, 1404032), (896, 1363290), (928, 1316280), (960, 1272404), (1015, 1203456), (1120, 1090632), (1160, 1053024), (1218, 1002880), (1280, 954303), (1344, 908860), (1392, 877520), (1567, 779520), (1624, 752160), (1680, 727088), (1740, 702016), (1792, 681645), (1856, 658140), (1920, 636202), (2030, 601728), (2240, 545316), (2320, 526512), (2436, 501440), (2688, 454430), (2784, 438760), (3045, 401152), (3134, 389760), (3248, 376080), (3360, 363544), (3480, 351008), (3712, 329070), (3840, 318101), (4060, 300864), (4480, 272658), (4640, 263256), (4701, 259840), (4872, 250720), (5376, 227215), (5568, 219380), (6090, 200576), (6268, 194880), (6496, 188040), (6720, 181772), (6960, 175504), (7424, 164535), (7835, 155904), (8120, 150432), (8960, 136329), (9280, 131628), (9402, 129920), (9744, 125360), (10969, 111360), (11136, 109690), (12180, 100288), (12536, 97440), (12992, 94020), (13440, 90886), (13920, 87752), (15670, 77952), (16240, 75216), (18560, 65814), (18804, 64960), (19488, 62680), (21938, 55680), (22272, 54845), (23505, 51968), (24360, 50144), (25072, 48720), (25984, 47010), (26880, 45443), (27840, 43876), (31340, 38976), (32480, 37608), (32907, 37120)]