About the Number

161688690

161688689 ← → 161688691

2進数表記:1001101000110010110001110010

漢数字表記:一億六千百六十八万八千六百九十

素因数分解:

2 1 × 3 3 × 5 1 × 53 1 × 11299 1

素因数の和:11368
約数の個数: 64
約数和(自身を含む): 439344000
約数和(自身を除く): 277655310

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1431, 1590, 2385, 2862, 4770, 7155, 11299, 14310, 22598, 33897, 56495, 67794, 101691, 112990, 169485, 203382, 305073, 338970, 508455, 598847, 610146, 1016910, 1197694, 1525365, 1796541, 2994235, 3050730, 3593082, 5389623, 5988470, 8982705, 10779246, 16168869, 17965410, 26948115, 32337738, 53896230, 80844345, 161688690]

約数ペア:
[(1, 161688690), (2, 80844345), (3, 53896230), (5, 32337738), (6, 26948115), (9, 17965410), (10, 16168869), (15, 10779246), (18, 8982705), (27, 5988470), (30, 5389623), (45, 3593082), (53, 3050730), (54, 2994235), (90, 1796541), (106, 1525365), (135, 1197694), (159, 1016910), (265, 610146), (270, 598847), (318, 508455), (477, 338970), (530, 305073), (795, 203382), (954, 169485), (1431, 112990), (1590, 101691), (2385, 67794), (2862, 56495), (4770, 33897), (7155, 22598), (11299, 14310)]

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