About the Number

84379920

84379919 ← → 84379921

2進数表記:101000001111000100100010000

漢数字表記:八千四百三十七万九千九百二十

素因数分解:

2 4 × 3 1 × 5 1 × 269 1 × 1307 1

素因数の和:1592
約数の個数: 80
約数和(自身を含む): 262751040
約数和(自身を除く): 178371120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 538, 807, 1076, 1307, 1345, 1614, 2152, 2614, 2690, 3228, 3921, 4035, 4304, 5228, 5380, 6456, 6535, 7842, 8070, 10456, 10760, 12912, 13070, 15684, 16140, 19605, 20912, 21520, 26140, 31368, 32280, 39210, 52280, 62736, 64560, 78420, 104560, 156840, 313680, 351583, 703166, 1054749, 1406332, 1757915, 2109498, 2812664, 3515830, 4218996, 5273745, 5625328, 7031660, 8437992, 10547490, 14063320, 16875984, 21094980, 28126640, 42189960, 84379920]

約数ペア:
[(1, 84379920), (2, 42189960), (3, 28126640), (4, 21094980), (5, 16875984), (6, 14063320), (8, 10547490), (10, 8437992), (12, 7031660), (15, 5625328), (16, 5273745), (20, 4218996), (24, 3515830), (30, 2812664), (40, 2109498), (48, 1757915), (60, 1406332), (80, 1054749), (120, 703166), (240, 351583), (269, 313680), (538, 156840), (807, 104560), (1076, 78420), (1307, 64560), (1345, 62736), (1614, 52280), (2152, 39210), (2614, 32280), (2690, 31368), (3228, 26140), (3921, 21520), (4035, 20912), (4304, 19605), (5228, 16140), (5380, 15684), (6456, 13070), (6535, 12912), (7842, 10760), (8070, 10456)]

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