263438280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 192

約数和(自身を含む): 988640640

約数和(自身を除く): 725202360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 107, 120, 126, 140, 168, 180, 210, 214, 252, 280, 315, 321, 360, 420, 428, 504, 535, 630, 642, 749, 840, 856, 963, 977, 1070, 1260, 1284, 1498, 1605, 1926, 1954, 2140, 2247, 2520, 2568, 2931, 2996, 3210, 3745, 3852, 3908, 4280, 4494, 4815, 4885, 5862, 5992, 6420, 6741, 6839, 7490, 7704, 7816, 8793, 8988, 9630, 9770, 11235, 11724, 12840, 13482, 13678, 14655, 14980, 17586, 17976, 19260, 19540, 20517, 22470, 23448, 26964, 27356, 29310, 29960, 33705, 34195, 35172, 38520, 39080, 41034, 43965, 44940, 53928, 54712, 58620, 61551, 67410, 68390, 70344, 82068, 87930, 89880, 102585, 104539, 117240, 123102, 134820, 136780, 164136, 175860, 205170, 209078, 246204, 269640, 273560, 307755, 313617, 351720, 410340, 418156, 492408, 522695, 615510, 627234, 731773, 820680, 836312, 940851, 1045390, 1231020, 1254468, 1463546, 1568085, 1881702, 2090780, 2195319, 2462040, 2508936, 2927092, 3136170, 3658865, 3763404, 4181560, 4390638, 4704255, 5854184, 6272340, 6585957, 7317730, 7526808, 8781276, 9408510, 10976595, 12544680, 13171914, 14635460, 17562552, 18817020, 21953190, 26343828, 29270920, 32929785, 37634040, 43906380, 52687656, 65859570, 87812760, 131719140, 263438280]

約数ペア:

[(1, 263438280), (2, 131719140), (3, 87812760), (4, 65859570), (5, 52687656), (6, 43906380), (7, 37634040), (8, 32929785), (9, 29270920), (10, 26343828), (12, 21953190), (14, 18817020), (15, 17562552), (18, 14635460), (20, 13171914), (21, 12544680), (24, 10976595), (28, 9408510), (30, 8781276), (35, 7526808), (36, 7317730), (40, 6585957), (42, 6272340), (45, 5854184), (56, 4704255), (60, 4390638), (63, 4181560), (70, 3763404), (72, 3658865), (84, 3136170), (90, 2927092), (105, 2508936), (107, 2462040), (120, 2195319), (126, 2090780), (140, 1881702), (168, 1568085), (180, 1463546), (210, 1254468), (214, 1231020), (252, 1045390), (280, 940851), (315, 836312), (321, 820680), (360, 731773), (420, 627234), (428, 615510), (504, 522695), (535, 492408), (630, 418156), (642, 410340), (749, 351720), (840, 313617), (856, 307755), (963, 273560), (977, 269640), (1070, 246204), (1260, 209078), (1284, 205170), (1498, 175860), (1605, 164136), (1926, 136780), (1954, 134820), (2140, 123102), (2247, 117240), (2520, 104539), (2568, 102585), (2931, 89880), (2996, 87930), (3210, 82068), (3745, 70344), (3852, 68390), (3908, 67410), (4280, 61551), (4494, 58620), (4815, 54712), (4885, 53928), (5862, 44940), (5992, 43965), (6420, 41034), (6741, 39080), (6839, 38520), (7490, 35172), (7704, 34195), (7816, 33705), (8793, 29960), (8988, 29310), (9630, 27356), (9770, 26964), (11235, 23448), (11724, 22470), (12840, 20517), (13482, 19540), (13678, 19260), (14655, 17976), (14980, 17586)]