About the Number

690664080

690664079 ← → 690664081

2進数表記:101001001010101011001010010000

漢数字表記:六億九千六十六万四千八十

素因数分解:

2 4 × 3 1 × 5 1 × 547 1 × 5261 1

素因数の和:5824
約数の個数: 80
約数和(自身を含む): 2145380544
約数和(自身を除く): 1454716464

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 547, 1094, 1641, 2188, 2735, 3282, 4376, 5261, 5470, 6564, 8205, 8752, 10522, 10940, 13128, 15783, 16410, 21044, 21880, 26256, 26305, 31566, 32820, 42088, 43760, 52610, 63132, 65640, 78915, 84176, 105220, 126264, 131280, 157830, 210440, 252528, 315660, 420880, 631320, 1262640, 2877767, 5755534, 8633301, 11511068, 14388835, 17266602, 23022136, 28777670, 34533204, 43166505, 46044272, 57555340, 69066408, 86333010, 115110680, 138132816, 172666020, 230221360, 345332040, 690664080]

約数ペア:
[(1, 690664080), (2, 345332040), (3, 230221360), (4, 172666020), (5, 138132816), (6, 115110680), (8, 86333010), (10, 69066408), (12, 57555340), (15, 46044272), (16, 43166505), (20, 34533204), (24, 28777670), (30, 23022136), (40, 17266602), (48, 14388835), (60, 11511068), (80, 8633301), (120, 5755534), (240, 2877767), (547, 1262640), (1094, 631320), (1641, 420880), (2188, 315660), (2735, 252528), (3282, 210440), (4376, 157830), (5261, 131280), (5470, 126264), (6564, 105220), (8205, 84176), (8752, 78915), (10522, 65640), (10940, 63132), (13128, 52610), (15783, 43760), (16410, 42088), (21044, 32820), (21880, 31566), (26256, 26305)]

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