About the Number

120981690

120981689 ← → 120981691

2進数表記:111001101100000100010111010

漢数字表記:一億二千九十八万千六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 17 1 × 107 1 × 739 1

素因数の和:876
約数の個数: 96
約数和(自身を含む): 336623040
約数和(自身を除く): 215641350

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 107, 153, 170, 214, 255, 306, 321, 510, 535, 642, 739, 765, 963, 1070, 1478, 1530, 1605, 1819, 1926, 2217, 3210, 3638, 3695, 4434, 4815, 5457, 6651, 7390, 9095, 9630, 10914, 11085, 12563, 13302, 16371, 18190, 22170, 25126, 27285, 32742, 33255, 37689, 54570, 62815, 66510, 75378, 79073, 81855, 113067, 125630, 158146, 163710, 188445, 226134, 237219, 376890, 395365, 474438, 565335, 711657, 790730, 1130670, 1186095, 1344241, 1423314, 2372190, 2688482, 3558285, 4032723, 6721205, 7116570, 8065446, 12098169, 13442410, 20163615, 24196338, 40327230, 60490845, 120981690]

約数ペア:
[(1, 120981690), (2, 60490845), (3, 40327230), (5, 24196338), (6, 20163615), (9, 13442410), (10, 12098169), (15, 8065446), (17, 7116570), (18, 6721205), (30, 4032723), (34, 3558285), (45, 2688482), (51, 2372190), (85, 1423314), (90, 1344241), (102, 1186095), (107, 1130670), (153, 790730), (170, 711657), (214, 565335), (255, 474438), (306, 395365), (321, 376890), (510, 237219), (535, 226134), (642, 188445), (739, 163710), (765, 158146), (963, 125630), (1070, 113067), (1478, 81855), (1530, 79073), (1605, 75378), (1819, 66510), (1926, 62815), (2217, 54570), (3210, 37689), (3638, 33255), (3695, 32742), (4434, 27285), (4815, 25126), (5457, 22170), (6651, 18190), (7390, 16371), (9095, 13302), (9630, 12563), (10914, 11085)]

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