280257120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1406

約数の個数: 288

約数和(自身を含む): 1124401824

約数和(自身を除く): 844144704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 32, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 96, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 160, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 288, 312, 330, 352, 360, 390, 396, 416, 429, 440, 468, 480, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1056, 1144, 1170, 1248, 1287, 1320, 1361, 1430, 1440, 1560, 1584, 1716, 1760, 1872, 1980, 2080, 2145, 2288, 2340, 2574, 2640, 2722, 2860, 3120, 3168, 3432, 3744, 3960, 4083, 4290, 4576, 4680, 5148, 5280, 5444, 5720, 6240, 6435, 6805, 6864, 7920, 8166, 8580, 9360, 10296, 10888, 11440, 12249, 12870, 13610, 13728, 14971, 15840, 16332, 17160, 17693, 18720, 20415, 20592, 21776, 22880, 24498, 25740, 27220, 29942, 32664, 34320, 35386, 40830, 41184, 43552, 44913, 48996, 51480, 53079, 54440, 59884, 61245, 65328, 68640, 70772, 74855, 81660, 88465, 89826, 97992, 102960, 106158, 108880, 119768, 122490, 130656, 134739, 141544, 149710, 159237, 163320, 176930, 179652, 194623, 195984, 205920, 212316, 217760, 224565, 239536, 244980, 265395, 269478, 283088, 299420, 318474, 326640, 353860, 359304, 389246, 391968, 424632, 449130, 479072, 489960, 530790, 538956, 566176, 583869, 598840, 636948, 653280, 673695, 707720, 718608, 778492, 796185, 849264, 898260, 973115, 979920, 1061580, 1077912, 1167738, 1197680, 1273896, 1347390, 1415440, 1437216, 1556984, 1592370, 1698528, 1751607, 1796520, 1946230, 1959840, 2123160, 2155824, 2335476, 2395360, 2547792, 2694780, 2830880, 2919345, 3113968, 3184740, 3503214, 3593040, 3892460, 4246320, 4311648, 4670952, 5095584, 5389560, 5838690, 6227936, 6369480, 7006428, 7186080, 7784920, 8492640, 8758035, 9341904, 10779120, 11677380, 12738960, 14012856, 15569840, 17516070, 18683808, 21558240, 23354760, 25477920, 28025712, 31139680, 35032140, 46709520, 56051424, 70064280, 93419040, 140128560, 280257120]

約数ペア:

[(1, 280257120), (2, 140128560), (3, 93419040), (4, 70064280), (5, 56051424), (6, 46709520), (8, 35032140), (9, 31139680), (10, 28025712), (11, 25477920), (12, 23354760), (13, 21558240), (15, 18683808), (16, 17516070), (18, 15569840), (20, 14012856), (22, 12738960), (24, 11677380), (26, 10779120), (30, 9341904), (32, 8758035), (33, 8492640), (36, 7784920), (39, 7186080), (40, 7006428), (44, 6369480), (45, 6227936), (48, 5838690), (52, 5389560), (55, 5095584), (60, 4670952), (65, 4311648), (66, 4246320), (72, 3892460), (78, 3593040), (80, 3503214), (88, 3184740), (90, 3113968), (96, 2919345), (99, 2830880), (104, 2694780), (110, 2547792), (117, 2395360), (120, 2335476), (130, 2155824), (132, 2123160), (143, 1959840), (144, 1946230), (156, 1796520), (160, 1751607), (165, 1698528), (176, 1592370), (180, 1556984), (195, 1437216), (198, 1415440), (208, 1347390), (220, 1273896), (234, 1197680), (240, 1167738), (260, 1077912), (264, 1061580), (286, 979920), (288, 973115), (312, 898260), (330, 849264), (352, 796185), (360, 778492), (390, 718608), (396, 707720), (416, 673695), (429, 653280), (440, 636948), (468, 598840), (480, 583869), (495, 566176), (520, 538956), (528, 530790), (572, 489960), (585, 479072), (624, 449130), (660, 424632), (715, 391968), (720, 389246), (780, 359304), (792, 353860), (858, 326640), (880, 318474), (936, 299420), (990, 283088), (1040, 269478), (1056, 265395), (1144, 244980), (1170, 239536), (1248, 224565), (1287, 217760), (1320, 212316), (1361, 205920), (1430, 195984), (1440, 194623), (1560, 179652), (1584, 176930), (1716, 163320), (1760, 159237), (1872, 149710), (1980, 141544), (2080, 134739), (2145, 130656), (2288, 122490), (2340, 119768), (2574, 108880), (2640, 106158), (2722, 102960), (2860, 97992), (3120, 89826), (3168, 88465), (3432, 81660), (3744, 74855), (3960, 70772), (4083, 68640), (4290, 65328), (4576, 61245), (4680, 59884), (5148, 54440), (5280, 53079), (5444, 51480), (5720, 48996), (6240, 44913), (6435, 43552), (6805, 41184), (6864, 40830), (7920, 35386), (8166, 34320), (8580, 32664), (9360, 29942), (10296, 27220), (10888, 25740), (11440, 24498), (12249, 22880), (12870, 21776), (13610, 20592), (13728, 20415), (14971, 18720), (15840, 17693), (16332, 17160)]