1280154240

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3221}}^1$

素因数の和:3272

約数の個数: 256

約数和(自身を含む): 4732473600

約数和(自身を除く): 3452319360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 345, 360, 368, 384, 414, 432, 460, 480, 540, 552, 576, 621, 640, 690, 720, 736, 828, 864, 920, 960, 1035, 1080, 1104, 1152, 1242, 1380, 1440, 1472, 1656, 1728, 1840, 1920, 2070, 2160, 2208, 2484, 2760, 2880, 2944, 3105, 3221, 3312, 3456, 3680, 4140, 4320, 4416, 4968, 5520, 5760, 6210, 6442, 6624, 7360, 8280, 8640, 8832, 9663, 9936, 11040, 12420, 12884, 13248, 14720, 16105, 16560, 17280, 19326, 19872, 22080, 24840, 25768, 26496, 28989, 32210, 33120, 38652, 39744, 44160, 48315, 49680, 51536, 57978, 64420, 66240, 74083, 77304, 79488, 86967, 96630, 99360, 103072, 115956, 128840, 132480, 144945, 148166, 154608, 173934, 193260, 198720, 206144, 222249, 231912, 257680, 289890, 296332, 309216, 347868, 370415, 386520, 397440, 412288, 434835, 444498, 463824, 515360, 579780, 592664, 618432, 666747, 695736, 740830, 773040, 869670, 888996, 927648, 1030720, 1111245, 1159560, 1185328, 1236864, 1333494, 1391472, 1481660, 1546080, 1739340, 1777992, 1855296, 2000241, 2061440, 2222490, 2319120, 2370656, 2666988, 2782944, 2963320, 3092160, 3333735, 3478680, 3555984, 3710592, 4000482, 4444980, 4638240, 4741312, 5333976, 5565888, 5926640, 6184320, 6667470, 6957360, 7111968, 8000964, 8889960, 9276480, 9482624, 10001205, 10667952, 11131776, 11853280, 13334940, 13914720, 14223936, 16001928, 17779920, 18552960, 20002410, 21335904, 23706560, 26669880, 27829440, 28447872, 32003856, 35559840, 40004820, 42671808, 47413120, 53339760, 55658880, 64007712, 71119680, 80009640, 85343616, 106679520, 128015424, 142239360, 160019280, 213359040, 256030848, 320038560, 426718080, 640077120, 1280154240]

約数ペア:

[(1, 1280154240), (2, 640077120), (3, 426718080), (4, 320038560), (5, 256030848), (6, 213359040), (8, 160019280), (9, 142239360), (10, 128015424), (12, 106679520), (15, 85343616), (16, 80009640), (18, 71119680), (20, 64007712), (23, 55658880), (24, 53339760), (27, 47413120), (30, 42671808), (32, 40004820), (36, 35559840), (40, 32003856), (45, 28447872), (46, 27829440), (48, 26669880), (54, 23706560), (60, 21335904), (64, 20002410), (69, 18552960), (72, 17779920), (80, 16001928), (90, 14223936), (92, 13914720), (96, 13334940), (108, 11853280), (115, 11131776), (120, 10667952), (128, 10001205), (135, 9482624), (138, 9276480), (144, 8889960), (160, 8000964), (180, 7111968), (184, 6957360), (192, 6667470), (207, 6184320), (216, 5926640), (230, 5565888), (240, 5333976), (270, 4741312), (276, 4638240), (288, 4444980), (320, 4000482), (345, 3710592), (360, 3555984), (368, 3478680), (384, 3333735), (414, 3092160), (432, 2963320), (460, 2782944), (480, 2666988), (540, 2370656), (552, 2319120), (576, 2222490), (621, 2061440), (640, 2000241), (690, 1855296), (720, 1777992), (736, 1739340), (828, 1546080), (864, 1481660), (920, 1391472), (960, 1333494), (1035, 1236864), (1080, 1185328), (1104, 1159560), (1152, 1111245), (1242, 1030720), (1380, 927648), (1440, 888996), (1472, 869670), (1656, 773040), (1728, 740830), (1840, 695736), (1920, 666747), (2070, 618432), (2160, 592664), (2208, 579780), (2484, 515360), (2760, 463824), (2880, 444498), (2944, 434835), (3105, 412288), (3221, 397440), (3312, 386520), (3456, 370415), (3680, 347868), (4140, 309216), (4320, 296332), (4416, 289890), (4968, 257680), (5520, 231912), (5760, 222249), (6210, 206144), (6442, 198720), (6624, 193260), (7360, 173934), (8280, 154608), (8640, 148166), (8832, 144945), (9663, 132480), (9936, 128840), (11040, 115956), (12420, 103072), (12884, 99360), (13248, 96630), (14720, 86967), (16105, 79488), (16560, 77304), (17280, 74083), (19326, 66240), (19872, 64420), (22080, 57978), (24840, 51536), (25768, 49680), (26496, 48315), (28989, 44160), (32210, 39744), (33120, 38652)]