640010880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4879

約数の個数: 192

約数和(自身を含む): 2306603520

約数和(自身を除く): 1666592640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 828, 920, 960, 1035, 1104, 1152, 1380, 1440, 1472, 1656, 1840, 1920, 2070, 2208, 2760, 2880, 2944, 3312, 3680, 4140, 4416, 4831, 5520, 5760, 6624, 7360, 8280, 8832, 9662, 11040, 13248, 14493, 14720, 16560, 19324, 22080, 24155, 26496, 28986, 33120, 38648, 43479, 44160, 48310, 57972, 66240, 72465, 77296, 86958, 96620, 111113, 115944, 132480, 144930, 154592, 173916, 193240, 217395, 222226, 231888, 289860, 309184, 333339, 347832, 386480, 434790, 444452, 463776, 555565, 579720, 618368, 666678, 695664, 772960, 869580, 888904, 927552, 1000017, 1111130, 1159440, 1333356, 1391328, 1545920, 1666695, 1739160, 1777808, 1855104, 2000034, 2222260, 2318880, 2666712, 2782656, 3091840, 3333390, 3478320, 3555616, 4000068, 4444520, 4637760, 5000085, 5333424, 5565312, 6666780, 6956640, 7111232, 8000136, 8889040, 9275520, 10000170, 10666848, 13333560, 13913280, 14222464, 16000272, 17778080, 20000340, 21333696, 26667120, 27826560, 32000544, 35556160, 40000680, 42667392, 53334240, 64001088, 71112320, 80001360, 106668480, 128002176, 160002720, 213336960, 320005440, 640010880]

約数ペア:

[(1, 640010880), (2, 320005440), (3, 213336960), (4, 160002720), (5, 128002176), (6, 106668480), (8, 80001360), (9, 71112320), (10, 64001088), (12, 53334240), (15, 42667392), (16, 40000680), (18, 35556160), (20, 32000544), (23, 27826560), (24, 26667120), (30, 21333696), (32, 20000340), (36, 17778080), (40, 16000272), (45, 14222464), (46, 13913280), (48, 13333560), (60, 10666848), (64, 10000170), (69, 9275520), (72, 8889040), (80, 8000136), (90, 7111232), (92, 6956640), (96, 6666780), (115, 5565312), (120, 5333424), (128, 5000085), (138, 4637760), (144, 4444520), (160, 4000068), (180, 3555616), (184, 3478320), (192, 3333390), (207, 3091840), (230, 2782656), (240, 2666712), (276, 2318880), (288, 2222260), (320, 2000034), (345, 1855104), (360, 1777808), (368, 1739160), (384, 1666695), (414, 1545920), (460, 1391328), (480, 1333356), (552, 1159440), (576, 1111130), (640, 1000017), (690, 927552), (720, 888904), (736, 869580), (828, 772960), (920, 695664), (960, 666678), (1035, 618368), (1104, 579720), (1152, 555565), (1380, 463776), (1440, 444452), (1472, 434790), (1656, 386480), (1840, 347832), (1920, 333339), (2070, 309184), (2208, 289860), (2760, 231888), (2880, 222226), (2944, 217395), (3312, 193240), (3680, 173916), (4140, 154592), (4416, 144930), (4831, 132480), (5520, 115944), (5760, 111113), (6624, 96620), (7360, 86958), (8280, 77296), (8832, 72465), (9662, 66240), (11040, 57972), (13248, 48310), (14493, 44160), (14720, 43479), (16560, 38648), (19324, 33120), (22080, 28986), (24155, 26496)]