About the Number

115090020

115090019 ← → 115090021

2進数表記:110110111000010001001100100

漢数字表記:一億千五百九万二十

素因数分解:

2 2 × 3 2 × 5 1 × 317 1 × 2017 1

素因数の和:2349
約数の個数: 72
約数和(自身を含む): 350381304
約数和(自身を除く): 235291284

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 634, 951, 1268, 1585, 1902, 2017, 2853, 3170, 3804, 4034, 4755, 5706, 6051, 6340, 8068, 9510, 10085, 11412, 12102, 14265, 18153, 19020, 20170, 24204, 28530, 30255, 36306, 40340, 57060, 60510, 72612, 90765, 121020, 181530, 363060, 639389, 1278778, 1918167, 2557556, 3196945, 3836334, 5754501, 6393890, 7672668, 9590835, 11509002, 12787780, 19181670, 23018004, 28772505, 38363340, 57545010, 115090020]

約数ペア:
[(1, 115090020), (2, 57545010), (3, 38363340), (4, 28772505), (5, 23018004), (6, 19181670), (9, 12787780), (10, 11509002), (12, 9590835), (15, 7672668), (18, 6393890), (20, 5754501), (30, 3836334), (36, 3196945), (45, 2557556), (60, 1918167), (90, 1278778), (180, 639389), (317, 363060), (634, 181530), (951, 121020), (1268, 90765), (1585, 72612), (1902, 60510), (2017, 57060), (2853, 40340), (3170, 36306), (3804, 30255), (4034, 28530), (4755, 24204), (5706, 20170), (6051, 19020), (6340, 18153), (8068, 14265), (9510, 12102), (10085, 11412)]

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