280376640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 280

約数和(自身を含む): 1034506440

約数和(自身を除く): 754129800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 324, 348, 360, 373, 405, 432, 435, 464, 480, 522, 540, 576, 580, 648, 696, 720, 746, 783, 810, 864, 870, 928, 960, 1044, 1080, 1119, 1160, 1296, 1305, 1392, 1440, 1492, 1566, 1620, 1728, 1740, 1856, 1865, 2088, 2160, 2238, 2320, 2349, 2592, 2610, 2784, 2880, 2984, 3132, 3240, 3357, 3480, 3730, 3915, 4176, 4320, 4476, 4640, 4698, 5184, 5220, 5568, 5595, 5968, 6264, 6480, 6714, 6960, 7460, 7830, 8352, 8640, 8952, 9280, 9396, 10071, 10440, 10817, 11190, 11745, 11936, 12528, 12960, 13428, 13920, 14920, 15660, 16704, 16785, 17904, 18792, 20142, 20880, 21634, 22380, 23490, 23872, 25056, 25920, 26856, 27840, 29840, 30213, 31320, 32451, 33570, 35808, 37584, 40284, 41760, 43268, 44760, 46980, 50112, 50355, 53712, 54085, 59680, 60426, 62640, 64902, 67140, 71616, 75168, 80568, 83520, 86536, 89520, 93960, 97353, 100710, 107424, 108170, 119360, 120852, 125280, 129804, 134280, 150336, 151065, 161136, 162255, 173072, 179040, 187920, 194706, 201420, 214848, 216340, 241704, 250560, 259608, 268560, 292059, 302130, 322272, 324510, 346144, 358080, 375840, 389412, 402840, 432680, 483408, 486765, 519216, 537120, 584118, 604260, 644544, 649020, 692288, 751680, 778824, 805680, 865360, 876177, 966816, 973530, 1038432, 1074240, 1168236, 1208520, 1298040, 1460295, 1557648, 1611360, 1730720, 1752354, 1933632, 1947060, 2076864, 2336472, 2417040, 2596080, 2920590, 3115296, 3222720, 3461440, 3504708, 3894120, 4380885, 4672944, 4834080, 5192160, 5841180, 6230592, 7009416, 7788240, 8761770, 9345888, 9668160, 10384320, 11682360, 14018832, 15576480, 17523540, 18691776, 23364720, 28037664, 31152960, 35047080, 46729440, 56075328, 70094160, 93458880, 140188320, 280376640]

約数ペア:

[(1, 280376640), (2, 140188320), (3, 93458880), (4, 70094160), (5, 56075328), (6, 46729440), (8, 35047080), (9, 31152960), (10, 28037664), (12, 23364720), (15, 18691776), (16, 17523540), (18, 15576480), (20, 14018832), (24, 11682360), (27, 10384320), (29, 9668160), (30, 9345888), (32, 8761770), (36, 7788240), (40, 7009416), (45, 6230592), (48, 5841180), (54, 5192160), (58, 4834080), (60, 4672944), (64, 4380885), (72, 3894120), (80, 3504708), (81, 3461440), (87, 3222720), (90, 3115296), (96, 2920590), (108, 2596080), (116, 2417040), (120, 2336472), (135, 2076864), (144, 1947060), (145, 1933632), (160, 1752354), (162, 1730720), (174, 1611360), (180, 1557648), (192, 1460295), (216, 1298040), (232, 1208520), (240, 1168236), (261, 1074240), (270, 1038432), (288, 973530), (290, 966816), (320, 876177), (324, 865360), (348, 805680), (360, 778824), (373, 751680), (405, 692288), (432, 649020), (435, 644544), (464, 604260), (480, 584118), (522, 537120), (540, 519216), (576, 486765), (580, 483408), (648, 432680), (696, 402840), (720, 389412), (746, 375840), (783, 358080), (810, 346144), (864, 324510), (870, 322272), (928, 302130), (960, 292059), (1044, 268560), (1080, 259608), (1119, 250560), (1160, 241704), (1296, 216340), (1305, 214848), (1392, 201420), (1440, 194706), (1492, 187920), (1566, 179040), (1620, 173072), (1728, 162255), (1740, 161136), (1856, 151065), (1865, 150336), (2088, 134280), (2160, 129804), (2238, 125280), (2320, 120852), (2349, 119360), (2592, 108170), (2610, 107424), (2784, 100710), (2880, 97353), (2984, 93960), (3132, 89520), (3240, 86536), (3357, 83520), (3480, 80568), (3730, 75168), (3915, 71616), (4176, 67140), (4320, 64902), (4476, 62640), (4640, 60426), (4698, 59680), (5184, 54085), (5220, 53712), (5568, 50355), (5595, 50112), (5968, 46980), (6264, 44760), (6480, 43268), (6714, 41760), (6960, 40284), (7460, 37584), (7830, 35808), (8352, 33570), (8640, 32451), (8952, 31320), (9280, 30213), (9396, 29840), (10071, 27840), (10440, 26856), (10817, 25920), (11190, 25056), (11745, 23872), (11936, 23490), (12528, 22380), (12960, 21634), (13428, 20880), (13920, 20142), (14920, 18792), (15660, 17904), (16704, 16785)]