1280322960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 320

約数和(自身を含む): 4704460800

約数和(自身を除く): 3424137840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 103, 105, 112, 120, 140, 147, 151, 168, 196, 206, 210, 240, 245, 280, 294, 302, 309, 336, 343, 392, 412, 420, 453, 490, 515, 560, 588, 604, 618, 686, 721, 735, 755, 784, 824, 840, 906, 980, 1029, 1030, 1057, 1176, 1208, 1236, 1372, 1442, 1470, 1510, 1545, 1648, 1680, 1715, 1812, 1960, 2058, 2060, 2114, 2163, 2265, 2352, 2416, 2472, 2744, 2884, 2940, 3020, 3090, 3171, 3430, 3605, 3624, 3920, 4116, 4120, 4228, 4326, 4530, 4944, 5047, 5145, 5285, 5488, 5768, 5880, 6040, 6180, 6342, 6860, 7210, 7248, 7399, 8232, 8240, 8456, 8652, 9060, 10094, 10290, 10570, 10815, 11536, 11760, 12080, 12360, 12684, 13720, 14420, 14798, 15141, 15553, 15855, 16464, 16912, 17304, 18120, 20188, 20580, 21140, 21630, 22197, 24720, 25235, 25368, 27440, 28840, 29596, 30282, 31106, 31710, 34608, 35329, 36240, 36995, 40376, 41160, 42280, 43260, 44394, 46659, 50470, 50736, 51793, 57680, 59192, 60564, 62212, 63420, 70658, 73990, 75705, 77765, 80752, 82320, 84560, 86520, 88788, 93318, 100940, 103586, 105987, 108871, 110985, 118384, 121128, 124424, 126840, 141316, 147980, 151410, 155379, 155530, 173040, 176645, 177576, 186636, 201880, 207172, 211974, 217742, 221970, 233295, 242256, 248848, 253680, 258965, 282632, 295960, 302820, 310758, 311060, 326613, 353290, 355152, 373272, 403760, 414344, 423948, 435484, 443940, 466590, 517930, 529935, 544355, 565264, 591920, 605640, 621516, 622120, 653226, 706580, 746544, 762097, 776895, 828688, 847896, 870968, 887880, 933180, 1035860, 1059870, 1088710, 1211280, 1243032, 1244240, 1306452, 1413160, 1524194, 1553790, 1633065, 1695792, 1741936, 1775760, 1866360, 2071720, 2119740, 2177420, 2286291, 2486064, 2612904, 2826320, 3048388, 3107580, 3266130, 3732720, 3810485, 4143440, 4239480, 4354840, 4572582, 5225808, 5334679, 6096776, 6215160, 6532260, 7620970, 8478960, 8709680, 9145164, 10669358, 11431455, 12193552, 12430320, 13064520, 15241940, 16004037, 18290328, 21338716, 22862910, 26129040, 26673395, 30483880, 32008074, 36580656, 42677432, 45725820, 53346790, 60967760, 64016148, 80020185, 85354864, 91451640, 106693580, 128032296, 160040370, 182903280, 213387160, 256064592, 320080740, 426774320, 640161480, 1280322960]

約数ペア:

[(1, 1280322960), (2, 640161480), (3, 426774320), (4, 320080740), (5, 256064592), (6, 213387160), (7, 182903280), (8, 160040370), (10, 128032296), (12, 106693580), (14, 91451640), (15, 85354864), (16, 80020185), (20, 64016148), (21, 60967760), (24, 53346790), (28, 45725820), (30, 42677432), (35, 36580656), (40, 32008074), (42, 30483880), (48, 26673395), (49, 26129040), (56, 22862910), (60, 21338716), (70, 18290328), (80, 16004037), (84, 15241940), (98, 13064520), (103, 12430320), (105, 12193552), (112, 11431455), (120, 10669358), (140, 9145164), (147, 8709680), (151, 8478960), (168, 7620970), (196, 6532260), (206, 6215160), (210, 6096776), (240, 5334679), (245, 5225808), (280, 4572582), (294, 4354840), (302, 4239480), (309, 4143440), (336, 3810485), (343, 3732720), (392, 3266130), (412, 3107580), (420, 3048388), (453, 2826320), (490, 2612904), (515, 2486064), (560, 2286291), (588, 2177420), (604, 2119740), (618, 2071720), (686, 1866360), (721, 1775760), (735, 1741936), (755, 1695792), (784, 1633065), (824, 1553790), (840, 1524194), (906, 1413160), (980, 1306452), (1029, 1244240), (1030, 1243032), (1057, 1211280), (1176, 1088710), (1208, 1059870), (1236, 1035860), (1372, 933180), (1442, 887880), (1470, 870968), (1510, 847896), (1545, 828688), (1648, 776895), (1680, 762097), (1715, 746544), (1812, 706580), (1960, 653226), (2058, 622120), (2060, 621516), (2114, 605640), (2163, 591920), (2265, 565264), (2352, 544355), (2416, 529935), (2472, 517930), (2744, 466590), (2884, 443940), (2940, 435484), (3020, 423948), (3090, 414344), (3171, 403760), (3430, 373272), (3605, 355152), (3624, 353290), (3920, 326613), (4116, 311060), (4120, 310758), (4228, 302820), (4326, 295960), (4530, 282632), (4944, 258965), (5047, 253680), (5145, 248848), (5285, 242256), (5488, 233295), (5768, 221970), (5880, 217742), (6040, 211974), (6180, 207172), (6342, 201880), (6860, 186636), (7210, 177576), (7248, 176645), (7399, 173040), (8232, 155530), (8240, 155379), (8456, 151410), (8652, 147980), (9060, 141316), (10094, 126840), (10290, 124424), (10570, 121128), (10815, 118384), (11536, 110985), (11760, 108871), (12080, 105987), (12360, 103586), (12684, 100940), (13720, 93318), (14420, 88788), (14798, 86520), (15141, 84560), (15553, 82320), (15855, 80752), (16464, 77765), (16912, 75705), (17304, 73990), (18120, 70658), (20188, 63420), (20580, 62212), (21140, 60564), (21630, 59192), (22197, 57680), (24720, 51793), (25235, 50736), (25368, 50470), (27440, 46659), (28840, 44394), (29596, 43260), (30282, 42280), (31106, 41160), (31710, 40376), (34608, 36995), (35329, 36240)]