About the Number

81340680

81340679 ← → 81340681

2進数表記:100110110010010100100001000

漢数字表記:八千百三十四万六百八十

素因数分解:

2 3 × 3 1 × 5 1 × 67 2 × 151 1

素因数の和:299
約数の個数: 96
約数和(自身を含む): 249359040
約数和(自身を除く): 168018360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 151, 201, 268, 302, 335, 402, 453, 536, 604, 670, 755, 804, 906, 1005, 1208, 1340, 1510, 1608, 1812, 2010, 2265, 2680, 3020, 3624, 4020, 4489, 4530, 6040, 8040, 8978, 9060, 10117, 13467, 17956, 18120, 20234, 22445, 26934, 30351, 35912, 40468, 44890, 50585, 53868, 60702, 67335, 80936, 89780, 101170, 107736, 121404, 134670, 151755, 179560, 202340, 242808, 269340, 303510, 404680, 538680, 607020, 677839, 1214040, 1355678, 2033517, 2711356, 3389195, 4067034, 5422712, 6778390, 8134068, 10167585, 13556780, 16268136, 20335170, 27113560, 40670340, 81340680]

約数ペア:
[(1, 81340680), (2, 40670340), (3, 27113560), (4, 20335170), (5, 16268136), (6, 13556780), (8, 10167585), (10, 8134068), (12, 6778390), (15, 5422712), (20, 4067034), (24, 3389195), (30, 2711356), (40, 2033517), (60, 1355678), (67, 1214040), (120, 677839), (134, 607020), (151, 538680), (201, 404680), (268, 303510), (302, 269340), (335, 242808), (402, 202340), (453, 179560), (536, 151755), (604, 134670), (670, 121404), (755, 107736), (804, 101170), (906, 89780), (1005, 80936), (1208, 67335), (1340, 60702), (1510, 53868), (1608, 50585), (1812, 44890), (2010, 40468), (2265, 35912), (2680, 30351), (3020, 26934), (3624, 22445), (4020, 20234), (4489, 18120), (4530, 17956), (6040, 13467), (8040, 10117), (8978, 9060)]

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