About the Number

13078980

13078979 ← → 13078981

2進数表記:110001111001000111000100

漢数字表記:千三百七万八千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 72661 1

素因数の和:72676
約数の個数: 36
約数和(自身を含む): 39673452
約数和(自身を除く): 26594472

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72661, 145322, 217983, 290644, 363305, 435966, 653949, 726610, 871932, 1089915, 1307898, 1453220, 2179830, 2615796, 3269745, 4359660, 6539490, 13078980]

約数ペア:
[(1, 13078980), (2, 6539490), (3, 4359660), (4, 3269745), (5, 2615796), (6, 2179830), (9, 1453220), (10, 1307898), (12, 1089915), (15, 871932), (18, 726610), (20, 653949), (30, 435966), (36, 363305), (45, 290644), (60, 217983), (90, 145322), (180, 72661)]

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