1280660640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3373}}^1$

素因数の和:3511

約数の個数: 192

約数和(自身を含む): 4652557056

約数和(自身を除く): 3371896416

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, 70, 80, 84, 96, 105, 112, 113, 120, 140, 160, 168, 210, 224, 226, 240, 280, 336, 339, 420, 452, 480, 560, 565, 672, 678, 791, 840, 904, 1120, 1130, 1356, 1582, 1680, 1695, 1808, 2260, 2373, 2712, 3164, 3360, 3373, 3390, 3616, 3955, 4520, 4746, 5424, 6328, 6746, 6780, 7910, 9040, 9492, 10119, 10848, 11865, 12656, 13492, 13560, 15820, 16865, 18080, 18984, 20238, 23611, 23730, 25312, 26984, 27120, 31640, 33730, 37968, 40476, 47222, 47460, 50595, 53968, 54240, 63280, 67460, 70833, 75936, 80952, 94444, 94920, 101190, 107936, 118055, 126560, 134920, 141666, 161904, 188888, 189840, 202380, 236110, 269840, 283332, 323808, 354165, 377776, 379680, 381149, 404760, 472220, 539680, 566664, 708330, 755552, 762298, 809520, 944440, 1133328, 1143447, 1416660, 1524596, 1619040, 1888880, 1905745, 2266656, 2286894, 2668043, 2833320, 3049192, 3777760, 3811490, 4573788, 5336086, 5666640, 5717235, 6098384, 7622980, 8004129, 9147576, 10672172, 11333280, 11434470, 12196768, 13340215, 15245960, 16008258, 18295152, 21344344, 22868940, 26680430, 30491920, 32016516, 36590304, 40020645, 42688688, 45737880, 53360860, 60983840, 64033032, 80041290, 85377376, 91475760, 106721720, 128066064, 160082580, 182951520, 213443440, 256132128, 320165160, 426886880, 640330320, 1280660640]

約数ペア:

[(1, 1280660640), (2, 640330320), (3, 426886880), (4, 320165160), (5, 256132128), (6, 213443440), (7, 182951520), (8, 160082580), (10, 128066064), (12, 106721720), (14, 91475760), (15, 85377376), (16, 80041290), (20, 64033032), (21, 60983840), (24, 53360860), (28, 45737880), (30, 42688688), (32, 40020645), (35, 36590304), (40, 32016516), (42, 30491920), (48, 26680430), (56, 22868940), (60, 21344344), (70, 18295152), (80, 16008258), (84, 15245960), (96, 13340215), (105, 12196768), (112, 11434470), (113, 11333280), (120, 10672172), (140, 9147576), (160, 8004129), (168, 7622980), (210, 6098384), (224, 5717235), (226, 5666640), (240, 5336086), (280, 4573788), (336, 3811490), (339, 3777760), (420, 3049192), (452, 2833320), (480, 2668043), (560, 2286894), (565, 2266656), (672, 1905745), (678, 1888880), (791, 1619040), (840, 1524596), (904, 1416660), (1120, 1143447), (1130, 1133328), (1356, 944440), (1582, 809520), (1680, 762298), (1695, 755552), (1808, 708330), (2260, 566664), (2373, 539680), (2712, 472220), (3164, 404760), (3360, 381149), (3373, 379680), (3390, 377776), (3616, 354165), (3955, 323808), (4520, 283332), (4746, 269840), (5424, 236110), (6328, 202380), (6746, 189840), (6780, 188888), (7910, 161904), (9040, 141666), (9492, 134920), (10119, 126560), (10848, 118055), (11865, 107936), (12656, 101190), (13492, 94920), (13560, 94444), (15820, 80952), (16865, 75936), (18080, 70833), (18984, 67460), (20238, 63280), (23611, 54240), (23730, 53968), (25312, 50595), (26984, 47460), (27120, 47222), (31640, 40476), (33730, 37968)]