About the Number

1321644080

1321644079 ← → 1321644081

2進数表記:1001110110001101011000000110000

漢数字表記:十三億二千百六十四万四千八十

素因数分解:

2 4 × 5 1 × 31 2 × 17191 1

素因数の和:17266
約数の個数: 60
約数和(自身を含む): 3175328016
約数和(自身を除く): 1853683936

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3844, 4805, 7688, 9610, 15376, 17191, 19220, 34382, 38440, 68764, 76880, 85955, 137528, 171910, 275056, 343820, 532921, 687640, 1065842, 1375280, 2131684, 2664605, 4263368, 5329210, 8526736, 10658420, 16520551, 21316840, 33041102, 42633680, 66082204, 82602755, 132164408, 165205510, 264328816, 330411020, 660822040, 1321644080]

約数ペア:
[(1, 1321644080), (2, 660822040), (4, 330411020), (5, 264328816), (8, 165205510), (10, 132164408), (16, 82602755), (20, 66082204), (31, 42633680), (40, 33041102), (62, 21316840), (80, 16520551), (124, 10658420), (155, 8526736), (248, 5329210), (310, 4263368), (496, 2664605), (620, 2131684), (961, 1375280), (1240, 1065842), (1922, 687640), (2480, 532921), (3844, 343820), (4805, 275056), (7688, 171910), (9610, 137528), (15376, 85955), (17191, 76880), (19220, 68764), (34382, 38440)]

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