About the Number

81399960

81399959 ← → 81399961

2進数表記:100110110100001000010011000

漢数字表記:八千百三十九万九千九百六十

素因数分解:

2 3 × 3 2 × 5 1 × 173 1 × 1307 1

素因数の和:1497
約数の個数: 96
約数和(自身を含む): 266282640
約数和(自身を除く): 184882680

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 173, 180, 346, 360, 519, 692, 865, 1038, 1307, 1384, 1557, 1730, 2076, 2595, 2614, 3114, 3460, 3921, 4152, 5190, 5228, 6228, 6535, 6920, 7785, 7842, 10380, 10456, 11763, 12456, 13070, 15570, 15684, 19605, 20760, 23526, 26140, 31140, 31368, 39210, 47052, 52280, 58815, 62280, 78420, 94104, 117630, 156840, 226111, 235260, 452222, 470520, 678333, 904444, 1130555, 1356666, 1808888, 2034999, 2261110, 2713332, 3391665, 4069998, 4522220, 5426664, 6783330, 8139996, 9044440, 10174995, 13566660, 16279992, 20349990, 27133320, 40699980, 81399960]

約数ペア:
[(1, 81399960), (2, 40699980), (3, 27133320), (4, 20349990), (5, 16279992), (6, 13566660), (8, 10174995), (9, 9044440), (10, 8139996), (12, 6783330), (15, 5426664), (18, 4522220), (20, 4069998), (24, 3391665), (30, 2713332), (36, 2261110), (40, 2034999), (45, 1808888), (60, 1356666), (72, 1130555), (90, 904444), (120, 678333), (173, 470520), (180, 452222), (346, 235260), (360, 226111), (519, 156840), (692, 117630), (865, 94104), (1038, 78420), (1307, 62280), (1384, 58815), (1557, 52280), (1730, 47052), (2076, 39210), (2595, 31368), (2614, 31140), (3114, 26140), (3460, 23526), (3921, 20760), (4152, 19605), (5190, 15684), (5228, 15570), (6228, 13070), (6535, 12456), (6920, 11763), (7785, 10456), (7842, 10380)]

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