280337760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 240

約数和(自身を含む): 1004040576

約数和(自身を除く): 723702816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 180, 194, 216, 223, 240, 270, 288, 291, 324, 360, 388, 405, 432, 446, 480, 485, 540, 582, 648, 669, 720, 776, 810, 864, 873, 892, 970, 1080, 1115, 1164, 1296, 1338, 1440, 1455, 1552, 1620, 1746, 1784, 1940, 2007, 2160, 2230, 2328, 2592, 2619, 2676, 2910, 3104, 3240, 3345, 3492, 3568, 3880, 4014, 4320, 4365, 4460, 4656, 5238, 5352, 5820, 6021, 6480, 6690, 6984, 7136, 7760, 7857, 8028, 8730, 8920, 9312, 10035, 10476, 10704, 11640, 12042, 12960, 13095, 13380, 13968, 15520, 15714, 16056, 17460, 17840, 18063, 20070, 20952, 21408, 21631, 23280, 24084, 26190, 26760, 27936, 30105, 31428, 32112, 34920, 35680, 36126, 39285, 40140, 41904, 43262, 46560, 48168, 52380, 53520, 60210, 62856, 64224, 64893, 69840, 72252, 78570, 80280, 83808, 86524, 90315, 96336, 104760, 107040, 108155, 120420, 125712, 129786, 139680, 144504, 157140, 160560, 173048, 180630, 192672, 194679, 209520, 216310, 240840, 251424, 259572, 289008, 314280, 321120, 324465, 346096, 361260, 389358, 419040, 432620, 481680, 519144, 578016, 584037, 628560, 648930, 692192, 722520, 778716, 865240, 963360, 973395, 1038288, 1168074, 1257120, 1297860, 1445040, 1557432, 1730480, 1752111, 1946790, 2076576, 2336148, 2595720, 2890080, 2920185, 3114864, 3460960, 3504222, 3893580, 4672296, 5191440, 5840370, 6229728, 7008444, 7787160, 8760555, 9344592, 10382880, 11680740, 14016888, 15574320, 17521110, 18689184, 23361480, 28033776, 31148640, 35042220, 46722960, 56067552, 70084440, 93445920, 140168880, 280337760]

約数ペア:

[(1, 280337760), (2, 140168880), (3, 93445920), (4, 70084440), (5, 56067552), (6, 46722960), (8, 35042220), (9, 31148640), (10, 28033776), (12, 23361480), (15, 18689184), (16, 17521110), (18, 15574320), (20, 14016888), (24, 11680740), (27, 10382880), (30, 9344592), (32, 8760555), (36, 7787160), (40, 7008444), (45, 6229728), (48, 5840370), (54, 5191440), (60, 4672296), (72, 3893580), (80, 3504222), (81, 3460960), (90, 3114864), (96, 2920185), (97, 2890080), (108, 2595720), (120, 2336148), (135, 2076576), (144, 1946790), (160, 1752111), (162, 1730480), (180, 1557432), (194, 1445040), (216, 1297860), (223, 1257120), (240, 1168074), (270, 1038288), (288, 973395), (291, 963360), (324, 865240), (360, 778716), (388, 722520), (405, 692192), (432, 648930), (446, 628560), (480, 584037), (485, 578016), (540, 519144), (582, 481680), (648, 432620), (669, 419040), (720, 389358), (776, 361260), (810, 346096), (864, 324465), (873, 321120), (892, 314280), (970, 289008), (1080, 259572), (1115, 251424), (1164, 240840), (1296, 216310), (1338, 209520), (1440, 194679), (1455, 192672), (1552, 180630), (1620, 173048), (1746, 160560), (1784, 157140), (1940, 144504), (2007, 139680), (2160, 129786), (2230, 125712), (2328, 120420), (2592, 108155), (2619, 107040), (2676, 104760), (2910, 96336), (3104, 90315), (3240, 86524), (3345, 83808), (3492, 80280), (3568, 78570), (3880, 72252), (4014, 69840), (4320, 64893), (4365, 64224), (4460, 62856), (4656, 60210), (5238, 53520), (5352, 52380), (5820, 48168), (6021, 46560), (6480, 43262), (6690, 41904), (6984, 40140), (7136, 39285), (7760, 36126), (7857, 35680), (8028, 34920), (8730, 32112), (8920, 31428), (9312, 30105), (10035, 27936), (10476, 26760), (10704, 26190), (11640, 24084), (12042, 23280), (12960, 21631), (13095, 21408), (13380, 20952), (13968, 20070), (15520, 18063), (15714, 17840), (16056, 17460)]