815888640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 288

約数和(自身を含む): 3014000640

約数和(自身を除く): 2198112000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 128, 140, 160, 168, 192, 210, 224, 239, 240, 254, 256, 280, 320, 336, 381, 384, 420, 448, 478, 480, 508, 560, 635, 640, 672, 717, 762, 768, 840, 889, 896, 956, 960, 1016, 1120, 1195, 1270, 1280, 1344, 1434, 1524, 1673, 1680, 1778, 1792, 1905, 1912, 1920, 2032, 2240, 2390, 2540, 2667, 2688, 2868, 3048, 3346, 3360, 3556, 3585, 3810, 3824, 3840, 4064, 4445, 4480, 4780, 5019, 5080, 5334, 5376, 5736, 6096, 6692, 6720, 7112, 7170, 7620, 7648, 8128, 8365, 8890, 8960, 9560, 10038, 10160, 10668, 11472, 12192, 13335, 13384, 13440, 14224, 14340, 15240, 15296, 16256, 16730, 17780, 19120, 20076, 20320, 21336, 22944, 24384, 25095, 26670, 26768, 26880, 28448, 28680, 30353, 30480, 30592, 32512, 33460, 35560, 38240, 40152, 40640, 42672, 45888, 48768, 50190, 53340, 53536, 56896, 57360, 60706, 60960, 61184, 66920, 71120, 76480, 80304, 81280, 85344, 91059, 91776, 97536, 100380, 106680, 107072, 113792, 114720, 121412, 121920, 133840, 142240, 151765, 152960, 160608, 162560, 170688, 182118, 183552, 200760, 212471, 213360, 214144, 227584, 229440, 242824, 243840, 267680, 284480, 303530, 305920, 321216, 341376, 364236, 401520, 424942, 426720, 428288, 455295, 458880, 485648, 487680, 535360, 568960, 607060, 637413, 642432, 682752, 728472, 803040, 849884, 853440, 910590, 917760, 971296, 1062355, 1070720, 1137920, 1214120, 1274826, 1284864, 1456944, 1606080, 1699768, 1706880, 1821180, 1942592, 2124710, 2141440, 2428240, 2549652, 2913888, 3187065, 3212160, 3399536, 3413760, 3642360, 3885184, 4249420, 4856480, 5099304, 5827776, 6374130, 6424320, 6799072, 7284720, 7770368, 8498840, 9712960, 10198608, 11655552, 12748260, 13598144, 14569440, 16997680, 19425920, 20397216, 23311104, 25496520, 27196288, 29138880, 33995360, 38851840, 40794432, 50993040, 54392576, 58277760, 67990720, 81588864, 101986080, 116555520, 135981440, 163177728, 203972160, 271962880, 407944320, 815888640]

約数ペア:

[(1, 815888640), (2, 407944320), (3, 271962880), (4, 203972160), (5, 163177728), (6, 135981440), (7, 116555520), (8, 101986080), (10, 81588864), (12, 67990720), (14, 58277760), (15, 54392576), (16, 50993040), (20, 40794432), (21, 38851840), (24, 33995360), (28, 29138880), (30, 27196288), (32, 25496520), (35, 23311104), (40, 20397216), (42, 19425920), (48, 16997680), (56, 14569440), (60, 13598144), (64, 12748260), (70, 11655552), (80, 10198608), (84, 9712960), (96, 8498840), (105, 7770368), (112, 7284720), (120, 6799072), (127, 6424320), (128, 6374130), (140, 5827776), (160, 5099304), (168, 4856480), (192, 4249420), (210, 3885184), (224, 3642360), (239, 3413760), (240, 3399536), (254, 3212160), (256, 3187065), (280, 2913888), (320, 2549652), (336, 2428240), (381, 2141440), (384, 2124710), (420, 1942592), (448, 1821180), (478, 1706880), (480, 1699768), (508, 1606080), (560, 1456944), (635, 1284864), (640, 1274826), (672, 1214120), (717, 1137920), (762, 1070720), (768, 1062355), (840, 971296), (889, 917760), (896, 910590), (956, 853440), (960, 849884), (1016, 803040), (1120, 728472), (1195, 682752), (1270, 642432), (1280, 637413), (1344, 607060), (1434, 568960), (1524, 535360), (1673, 487680), (1680, 485648), (1778, 458880), (1792, 455295), (1905, 428288), (1912, 426720), (1920, 424942), (2032, 401520), (2240, 364236), (2390, 341376), (2540, 321216), (2667, 305920), (2688, 303530), (2868, 284480), (3048, 267680), (3346, 243840), (3360, 242824), (3556, 229440), (3585, 227584), (3810, 214144), (3824, 213360), (3840, 212471), (4064, 200760), (4445, 183552), (4480, 182118), (4780, 170688), (5019, 162560), (5080, 160608), (5334, 152960), (5376, 151765), (5736, 142240), (6096, 133840), (6692, 121920), (6720, 121412), (7112, 114720), (7170, 113792), (7620, 107072), (7648, 106680), (8128, 100380), (8365, 97536), (8890, 91776), (8960, 91059), (9560, 85344), (10038, 81280), (10160, 80304), (10668, 76480), (11472, 71120), (12192, 66920), (13335, 61184), (13384, 60960), (13440, 60706), (14224, 57360), (14340, 56896), (15240, 53536), (15296, 53340), (16256, 50190), (16730, 48768), (17780, 45888), (19120, 42672), (20076, 40640), (20320, 40152), (21336, 38240), (22944, 35560), (24384, 33460), (25095, 32512), (26670, 30592), (26768, 30480), (26880, 30353), (28448, 28680)]