About the Number

12993840

12993839 ← → 12993841

2進数表記:110001100100010100110000

漢数字表記:千二百九十九万三千八百四十

素因数分解:

2 4 × 3 2 × 5 1 × 18047 1

素因数の和:18066
約数の個数: 60
約数和(自身を含む): 43640064
約数和(自身を除く): 30646224

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 18047, 36094, 54141, 72188, 90235, 108282, 144376, 162423, 180470, 216564, 270705, 288752, 324846, 360940, 433128, 541410, 649692, 721880, 812115, 866256, 1082820, 1299384, 1443760, 1624230, 2165640, 2598768, 3248460, 4331280, 6496920, 12993840]

約数ペア:
[(1, 12993840), (2, 6496920), (3, 4331280), (4, 3248460), (5, 2598768), (6, 2165640), (8, 1624230), (9, 1443760), (10, 1299384), (12, 1082820), (15, 866256), (16, 812115), (18, 721880), (20, 649692), (24, 541410), (30, 433128), (36, 360940), (40, 324846), (45, 288752), (48, 270705), (60, 216564), (72, 180470), (80, 162423), (90, 144376), (120, 108282), (144, 90235), (180, 72188), (240, 54141), (360, 36094), (720, 18047)]

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