About the Number

1997696160

1997696159 ← → 1997696161

2進数表記:1110111000100100110110010100000

漢数字表記:十九億九千七百六十九万六千百六十

素因数分解:

2 5 × 3 2 × 5 1 × 1387289 1

素因数の和:1387310
約数の個数: 72
約数和(自身を含む): 6817143060
約数和(自身を除く): 4819446900

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, 1387289, 2774578, 4161867, 5549156, 6936445, 8323734, 11098312, 12485601, 13872890, 16647468, 20809335, 22196624, 24971202, 27745780, 33294936, 41618670, 44393248, 49942404, 55491560, 62428005, 66589872, 83237340, 99884808, 110983120, 124856010, 133179744, 166474680, 199769616, 221966240, 249712020, 332949360, 399539232, 499424040, 665898720, 998848080, 1997696160]

約数ペア:
[(1, 1997696160), (2, 998848080), (3, 665898720), (4, 499424040), (5, 399539232), (6, 332949360), (8, 249712020), (9, 221966240), (10, 199769616), (12, 166474680), (15, 133179744), (16, 124856010), (18, 110983120), (20, 99884808), (24, 83237340), (30, 66589872), (32, 62428005), (36, 55491560), (40, 49942404), (45, 44393248), (48, 41618670), (60, 33294936), (72, 27745780), (80, 24971202), (90, 22196624), (96, 20809335), (120, 16647468), (144, 13872890), (160, 12485601), (180, 11098312), (240, 8323734), (288, 6936445), (360, 5549156), (480, 4161867), (720, 2774578), (1440, 1387289)]

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