About the Number

12751290

12751289 ← → 12751291

2進数表記:110000101001000110111010

漢数字表記:千二百七十五万千二百九十

素因数分解:

2 1 × 3 3 × 5 1 × 83 1 × 569 1

素因数の和:668
約数の個数: 64
約数和(自身を含む): 34473600
約数和(自身を除く): 21722310

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 83, 90, 135, 166, 249, 270, 415, 498, 569, 747, 830, 1138, 1245, 1494, 1707, 2241, 2490, 2845, 3414, 3735, 4482, 5121, 5690, 7470, 8535, 10242, 11205, 15363, 17070, 22410, 25605, 30726, 47227, 51210, 76815, 94454, 141681, 153630, 236135, 283362, 425043, 472270, 708405, 850086, 1275129, 1416810, 2125215, 2550258, 4250430, 6375645, 12751290]

約数ペア:
[(1, 12751290), (2, 6375645), (3, 4250430), (5, 2550258), (6, 2125215), (9, 1416810), (10, 1275129), (15, 850086), (18, 708405), (27, 472270), (30, 425043), (45, 283362), (54, 236135), (83, 153630), (90, 141681), (135, 94454), (166, 76815), (249, 51210), (270, 47227), (415, 30726), (498, 25605), (569, 22410), (747, 17070), (830, 15363), (1138, 11205), (1245, 10242), (1494, 8535), (1707, 7470), (2241, 5690), (2490, 5121), (2845, 4482), (3414, 3735)]

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