About the Number

131492880

131492879 ← → 131492881

2進数表記:111110101100110110000010000

漢数字表記:一億三千百四十九万二千八百八十

素因数分解:

2 4 × 3 2 × 5 1 × 181 1 × 1009 1

素因数の和:1209
約数の個数: 120
約数和(自身を含む): 444476760
約数和(自身を除く): 312983880

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, 181, 240, 360, 362, 543, 720, 724, 905, 1009, 1086, 1448, 1629, 1810, 2018, 2172, 2715, 2896, 3027, 3258, 3620, 4036, 4344, 5045, 5430, 6054, 6516, 7240, 8072, 8145, 8688, 9081, 10090, 10860, 12108, 13032, 14480, 15135, 16144, 16290, 18162, 20180, 21720, 24216, 26064, 30270, 32580, 36324, 40360, 43440, 45405, 48432, 60540, 65160, 72648, 80720, 90810, 121080, 130320, 145296, 181620, 182629, 242160, 363240, 365258, 547887, 726480, 730516, 913145, 1095774, 1461032, 1643661, 1826290, 2191548, 2739435, 2922064, 3287322, 3652580, 4383096, 5478870, 6574644, 7305160, 8218305, 8766192, 10957740, 13149288, 14610320, 16436610, 21915480, 26298576, 32873220, 43830960, 65746440, 131492880]

約数ペア:
[(1, 131492880), (2, 65746440), (3, 43830960), (4, 32873220), (5, 26298576), (6, 21915480), (8, 16436610), (9, 14610320), (10, 13149288), (12, 10957740), (15, 8766192), (16, 8218305), (18, 7305160), (20, 6574644), (24, 5478870), (30, 4383096), (36, 3652580), (40, 3287322), (45, 2922064), (48, 2739435), (60, 2191548), (72, 1826290), (80, 1643661), (90, 1461032), (120, 1095774), (144, 913145), (180, 730516), (181, 726480), (240, 547887), (360, 365258), (362, 363240), (543, 242160), (720, 182629), (724, 181620), (905, 145296), (1009, 130320), (1086, 121080), (1448, 90810), (1629, 80720), (1810, 72648), (2018, 65160), (2172, 60540), (2715, 48432), (2896, 45405), (3027, 43440), (3258, 40360), (3620, 36324), (4036, 32580), (4344, 30270), (5045, 26064), (5430, 24216), (6054, 21720), (6516, 20180), (7240, 18162), (8072, 16290), (8145, 16144), (8688, 15135), (9081, 14480), (10090, 13032), (10860, 12108)]

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