820260480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 256

約数和(自身を含む): 2868566400

約数和(自身を除く): 2048305920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 59, 60, 64, 65, 78, 80, 96, 104, 118, 120, 128, 130, 156, 160, 177, 192, 195, 208, 236, 240, 260, 295, 312, 320, 354, 384, 390, 416, 472, 480, 520, 557, 590, 624, 640, 708, 767, 780, 832, 885, 944, 960, 1040, 1114, 1180, 1248, 1416, 1534, 1560, 1664, 1671, 1770, 1888, 1920, 2080, 2228, 2301, 2360, 2496, 2785, 2832, 3068, 3120, 3342, 3540, 3776, 3835, 4160, 4456, 4602, 4720, 4992, 5570, 5664, 6136, 6240, 6684, 7080, 7241, 7552, 7670, 8320, 8355, 8912, 9204, 9440, 11140, 11328, 11505, 12272, 12480, 13368, 14160, 14482, 15340, 16710, 17824, 18408, 18880, 21723, 22280, 22656, 23010, 24544, 24960, 26736, 28320, 28964, 30680, 32863, 33420, 35648, 36205, 36816, 37760, 43446, 44560, 46020, 49088, 53472, 56640, 57928, 61360, 65726, 66840, 71296, 72410, 73632, 86892, 89120, 92040, 98176, 98589, 106944, 108615, 113280, 115856, 122720, 131452, 133680, 144820, 147264, 164315, 173784, 178240, 184080, 197178, 213888, 217230, 231712, 245440, 262904, 267360, 289640, 294528, 328630, 347568, 356480, 368160, 394356, 427219, 434460, 463424, 490880, 492945, 525808, 534720, 579280, 657260, 695136, 736320, 788712, 854438, 868920, 926848, 985890, 1051616, 1069440, 1158560, 1281657, 1314520, 1390272, 1472640, 1577424, 1708876, 1737840, 1971780, 2103232, 2136095, 2317120, 2563314, 2629040, 2780544, 3154848, 3417752, 3475680, 3943560, 4206464, 4272190, 4634240, 5126628, 5258080, 6309696, 6408285, 6835504, 6951360, 7887120, 8544380, 10253256, 10516160, 12619392, 12816570, 13671008, 13902720, 15774240, 17088760, 20506512, 21032320, 25633140, 27342016, 31548480, 34177520, 41013024, 51266280, 54684032, 63096960, 68355040, 82026048, 102532560, 136710080, 164052096, 205065120, 273420160, 410130240, 820260480]

約数ペア:

[(1, 820260480), (2, 410130240), (3, 273420160), (4, 205065120), (5, 164052096), (6, 136710080), (8, 102532560), (10, 82026048), (12, 68355040), (13, 63096960), (15, 54684032), (16, 51266280), (20, 41013024), (24, 34177520), (26, 31548480), (30, 27342016), (32, 25633140), (39, 21032320), (40, 20506512), (48, 17088760), (52, 15774240), (59, 13902720), (60, 13671008), (64, 12816570), (65, 12619392), (78, 10516160), (80, 10253256), (96, 8544380), (104, 7887120), (118, 6951360), (120, 6835504), (128, 6408285), (130, 6309696), (156, 5258080), (160, 5126628), (177, 4634240), (192, 4272190), (195, 4206464), (208, 3943560), (236, 3475680), (240, 3417752), (260, 3154848), (295, 2780544), (312, 2629040), (320, 2563314), (354, 2317120), (384, 2136095), (390, 2103232), (416, 1971780), (472, 1737840), (480, 1708876), (520, 1577424), (557, 1472640), (590, 1390272), (624, 1314520), (640, 1281657), (708, 1158560), (767, 1069440), (780, 1051616), (832, 985890), (885, 926848), (944, 868920), (960, 854438), (1040, 788712), (1114, 736320), (1180, 695136), (1248, 657260), (1416, 579280), (1534, 534720), (1560, 525808), (1664, 492945), (1671, 490880), (1770, 463424), (1888, 434460), (1920, 427219), (2080, 394356), (2228, 368160), (2301, 356480), (2360, 347568), (2496, 328630), (2785, 294528), (2832, 289640), (3068, 267360), (3120, 262904), (3342, 245440), (3540, 231712), (3776, 217230), (3835, 213888), (4160, 197178), (4456, 184080), (4602, 178240), (4720, 173784), (4992, 164315), (5570, 147264), (5664, 144820), (6136, 133680), (6240, 131452), (6684, 122720), (7080, 115856), (7241, 113280), (7552, 108615), (7670, 106944), (8320, 98589), (8355, 98176), (8912, 92040), (9204, 89120), (9440, 86892), (11140, 73632), (11328, 72410), (11505, 71296), (12272, 66840), (12480, 65726), (13368, 61360), (14160, 57928), (14482, 56640), (15340, 53472), (16710, 49088), (17824, 46020), (18408, 44560), (18880, 43446), (21723, 37760), (22280, 36816), (22656, 36205), (23010, 35648), (24544, 33420), (24960, 32863), (26736, 30680), (28320, 28964)]