About the Number

121201680

121201679 ← → 121201681

2進数表記:111001110010110010000010000

漢数字表記:一億二千百二十万千六百八十

素因数分解:

2 4 × 3 1 × 5 1 × 239 1 × 2113 1

素因数の和:2368
約数の個数: 80
約数和(自身を含む): 377475840
約数和(自身を除く): 256274160

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2113, 2390, 2868, 3585, 3824, 4226, 4780, 5736, 6339, 7170, 8452, 9560, 10565, 11472, 12678, 14340, 16904, 19120, 21130, 25356, 28680, 31695, 33808, 42260, 50712, 57360, 63390, 84520, 101424, 126780, 169040, 253560, 505007, 507120, 1010014, 1515021, 2020028, 2525035, 3030042, 4040056, 5050070, 6060084, 7575105, 8080112, 10100140, 12120168, 15150210, 20200280, 24240336, 30300420, 40400560, 60600840, 121201680]

約数ペア:
[(1, 121201680), (2, 60600840), (3, 40400560), (4, 30300420), (5, 24240336), (6, 20200280), (8, 15150210), (10, 12120168), (12, 10100140), (15, 8080112), (16, 7575105), (20, 6060084), (24, 5050070), (30, 4040056), (40, 3030042), (48, 2525035), (60, 2020028), (80, 1515021), (120, 1010014), (239, 507120), (240, 505007), (478, 253560), (717, 169040), (956, 126780), (1195, 101424), (1434, 84520), (1912, 63390), (2113, 57360), (2390, 50712), (2868, 42260), (3585, 33808), (3824, 31695), (4226, 28680), (4780, 25356), (5736, 21130), (6339, 19120), (7170, 16904), (8452, 14340), (9560, 12678), (10565, 11472)]

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