1300257920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 256

約数和(自身を含む): 3678242400

約数和(自身を除く): 2377984480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 32, 34, 40, 52, 58, 64, 65, 68, 80, 85, 104, 116, 128, 130, 136, 145, 160, 170, 208, 221, 232, 260, 272, 290, 317, 320, 340, 377, 416, 442, 464, 493, 520, 544, 580, 634, 640, 680, 754, 832, 884, 928, 986, 1040, 1088, 1105, 1160, 1268, 1360, 1508, 1585, 1664, 1768, 1856, 1885, 1972, 2080, 2176, 2210, 2320, 2465, 2536, 2720, 3016, 3170, 3536, 3712, 3770, 3944, 4121, 4160, 4420, 4640, 4930, 5072, 5389, 5440, 6032, 6340, 6409, 7072, 7540, 7888, 8242, 8320, 8840, 9193, 9280, 9860, 10144, 10778, 10880, 12064, 12680, 12818, 14144, 15080, 15776, 16484, 17680, 18386, 18560, 19720, 20288, 20605, 21556, 24128, 25360, 25636, 26945, 28288, 30160, 31552, 32045, 32968, 35360, 36772, 39440, 40576, 41210, 43112, 45965, 48256, 50720, 51272, 53890, 60320, 63104, 64090, 65936, 70057, 70720, 73544, 78880, 82420, 86224, 91930, 101440, 102544, 107780, 119509, 120640, 128180, 131872, 140114, 141440, 147088, 156281, 157760, 164840, 172448, 183860, 202880, 205088, 215560, 239018, 241280, 256360, 263744, 280228, 294176, 312562, 315520, 329680, 344896, 350285, 367720, 410176, 431120, 478036, 512720, 527488, 560456, 588352, 597545, 625124, 659360, 689792, 700570, 735440, 781405, 820352, 862240, 956072, 1025440, 1120912, 1176704, 1195090, 1250248, 1318720, 1401140, 1470880, 1562810, 1724480, 1912144, 2031653, 2050880, 2241824, 2390180, 2500496, 2637440, 2802280, 2941760, 3125620, 3448960, 3824288, 4063306, 4101760, 4483648, 4780360, 5000992, 5604560, 5883520, 6251240, 7648576, 8126612, 8967296, 9560720, 10001984, 10158265, 11209120, 12502480, 15297152, 16253224, 19121440, 20003968, 20316530, 22418240, 25004960, 32506448, 38242880, 40633060, 44836480, 50009920, 65012896, 76485760, 81266120, 100019840, 130025792, 162532240, 260051584, 325064480, 650128960, 1300257920]

約数ペア:

[(1, 1300257920), (2, 650128960), (4, 325064480), (5, 260051584), (8, 162532240), (10, 130025792), (13, 100019840), (16, 81266120), (17, 76485760), (20, 65012896), (26, 50009920), (29, 44836480), (32, 40633060), (34, 38242880), (40, 32506448), (52, 25004960), (58, 22418240), (64, 20316530), (65, 20003968), (68, 19121440), (80, 16253224), (85, 15297152), (104, 12502480), (116, 11209120), (128, 10158265), (130, 10001984), (136, 9560720), (145, 8967296), (160, 8126612), (170, 7648576), (208, 6251240), (221, 5883520), (232, 5604560), (260, 5000992), (272, 4780360), (290, 4483648), (317, 4101760), (320, 4063306), (340, 3824288), (377, 3448960), (416, 3125620), (442, 2941760), (464, 2802280), (493, 2637440), (520, 2500496), (544, 2390180), (580, 2241824), (634, 2050880), (640, 2031653), (680, 1912144), (754, 1724480), (832, 1562810), (884, 1470880), (928, 1401140), (986, 1318720), (1040, 1250248), (1088, 1195090), (1105, 1176704), (1160, 1120912), (1268, 1025440), (1360, 956072), (1508, 862240), (1585, 820352), (1664, 781405), (1768, 735440), (1856, 700570), (1885, 689792), (1972, 659360), (2080, 625124), (2176, 597545), (2210, 588352), (2320, 560456), (2465, 527488), (2536, 512720), (2720, 478036), (3016, 431120), (3170, 410176), (3536, 367720), (3712, 350285), (3770, 344896), (3944, 329680), (4121, 315520), (4160, 312562), (4420, 294176), (4640, 280228), (4930, 263744), (5072, 256360), (5389, 241280), (5440, 239018), (6032, 215560), (6340, 205088), (6409, 202880), (7072, 183860), (7540, 172448), (7888, 164840), (8242, 157760), (8320, 156281), (8840, 147088), (9193, 141440), (9280, 140114), (9860, 131872), (10144, 128180), (10778, 120640), (10880, 119509), (12064, 107780), (12680, 102544), (12818, 101440), (14144, 91930), (15080, 86224), (15776, 82420), (16484, 78880), (17680, 73544), (18386, 70720), (18560, 70057), (19720, 65936), (20288, 64090), (20605, 63104), (21556, 60320), (24128, 53890), (25360, 51272), (25636, 50720), (26945, 48256), (28288, 45965), (30160, 43112), (31552, 41210), (32045, 40576), (32968, 39440), (35360, 36772)]