About the Number

1220809248

1220809247 ← → 1220809249

2進数表記:1001000110001000001001000100000

漢数字表記:十二億二千八十万九千二百四十八

素因数分解:

2 5 × 3 2 × 1559 1 × 2719 1

素因数の和:4294
約数の個数: 72
約数和(自身を含む): 3475180800
約数和(自身を除く): 2254371552

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 1559, 2719, 3118, 4677, 5438, 6236, 8157, 9354, 10876, 12472, 14031, 16314, 18708, 21752, 24471, 24944, 28062, 32628, 37416, 43504, 48942, 49888, 56124, 65256, 74832, 87008, 97884, 112248, 130512, 149664, 195768, 224496, 261024, 391536, 448992, 783072, 4238921, 8477842, 12716763, 16955684, 25433526, 33911368, 38150289, 50867052, 67822736, 76300578, 101734104, 135645472, 152601156, 203468208, 305202312, 406936416, 610404624, 1220809248]

約数ペア:
[(1, 1220809248), (2, 610404624), (3, 406936416), (4, 305202312), (6, 203468208), (8, 152601156), (9, 135645472), (12, 101734104), (16, 76300578), (18, 67822736), (24, 50867052), (32, 38150289), (36, 33911368), (48, 25433526), (72, 16955684), (96, 12716763), (144, 8477842), (288, 4238921), (1559, 783072), (2719, 448992), (3118, 391536), (4677, 261024), (5438, 224496), (6236, 195768), (8157, 149664), (9354, 130512), (10876, 112248), (12472, 97884), (14031, 87008), (16314, 74832), (18708, 65256), (21752, 56124), (24471, 49888), (24944, 48942), (28062, 43504), (32628, 37416)]

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