About the Number

120728190

120728189 ← → 120728191

2進数表記:111001100100010101001111110

漢数字表記:一億二千七十二万八千百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 41 1 × 8923 1

素因数の和:8985
約数の個数: 64
約数和(自身を含む): 323834112
約数和(自身を除く): 203105922

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 123, 165, 205, 246, 330, 410, 451, 615, 902, 1230, 1353, 2255, 2706, 4510, 6765, 8923, 13530, 17846, 26769, 44615, 53538, 89230, 98153, 133845, 196306, 267690, 294459, 365843, 490765, 588918, 731686, 981530, 1097529, 1472295, 1829215, 2195058, 2944590, 3658430, 4024273, 5487645, 8048546, 10975290, 12072819, 20121365, 24145638, 40242730, 60364095, 120728190]

約数ペア:
[(1, 120728190), (2, 60364095), (3, 40242730), (5, 24145638), (6, 20121365), (10, 12072819), (11, 10975290), (15, 8048546), (22, 5487645), (30, 4024273), (33, 3658430), (41, 2944590), (55, 2195058), (66, 1829215), (82, 1472295), (110, 1097529), (123, 981530), (165, 731686), (205, 588918), (246, 490765), (330, 365843), (410, 294459), (451, 267690), (615, 196306), (902, 133845), (1230, 98153), (1353, 89230), (2255, 53538), (2706, 44615), (4510, 26769), (6765, 17846), (8923, 13530)]

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