About the Number

30791520

30791519 ← → 30791521

2進数表記:1110101011101011101100000

漢数字表記:三千七十九万千五百二十

素因数分解:

2 5 × 3 2 × 5 1 × 21383 1

素因数の和:21404
約数の個数: 72
約数和(自身を含む): 105080976
約数和(自身を除く): 74289456

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21383, 42766, 64149, 85532, 106915, 128298, 171064, 192447, 213830, 256596, 320745, 342128, 384894, 427660, 513192, 641490, 684256, 769788, 855320, 962235, 1026384, 1282980, 1539576, 1710640, 1924470, 2052768, 2565960, 3079152, 3421280, 3848940, 5131920, 6158304, 7697880, 10263840, 15395760, 30791520]

約数ペア:
[(1, 30791520), (2, 15395760), (3, 10263840), (4, 7697880), (5, 6158304), (6, 5131920), (8, 3848940), (9, 3421280), (10, 3079152), (12, 2565960), (15, 2052768), (16, 1924470), (18, 1710640), (20, 1539576), (24, 1282980), (30, 1026384), (32, 962235), (36, 855320), (40, 769788), (45, 684256), (48, 641490), (60, 513192), (72, 427660), (80, 384894), (90, 342128), (96, 320745), (120, 256596), (144, 213830), (160, 192447), (180, 171064), (240, 128298), (288, 106915), (360, 85532), (480, 64149), (720, 42766), (1440, 21383)]

このpageの処理時間: 0.07164716720581055 seconds