19898822880

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{511801}}^1$

素因数の和:511831

約数の個数: 144

約数和(自身を含む): 70419860784

約数和(自身を除く): 50521037904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 38880, 511801, 1023602, 1535403, 2047204, 2559005, 3070806, 4094408, 4606209, 5118010, 6141612, 7677015, 8188816, 9212418, 10236020, 12283224, 13818627, 15354030, 16377632, 18424836, 20472040, 23031045, 24566448, 27637254, 30708060, 36849672, 40944080, 41455881, 46062090, 49132896, 55274508, 61416120, 69093135, 73699344, 81888160, 82911762, 92124180, 110549016, 122832240, 124367643, 138186270, 147398688, 165823524, 184248360, 207279405, 221098032, 245664480, 248735286, 276372540, 331647048, 368496720, 414558810, 442196064, 497470572, 552745080, 621838215, 663294096, 736993440, 829117620, 994941144, 1105490160, 1243676430, 1326588192, 1658235240, 1989882288, 2210980320, 2487352860, 3316470480, 3979764576, 4974705720, 6632940960, 9949411440, 19898822880]

約数ペア:

[(1, 19898822880), (2, 9949411440), (3, 6632940960), (4, 4974705720), (5, 3979764576), (6, 3316470480), (8, 2487352860), (9, 2210980320), (10, 1989882288), (12, 1658235240), (15, 1326588192), (16, 1243676430), (18, 1105490160), (20, 994941144), (24, 829117620), (27, 736993440), (30, 663294096), (32, 621838215), (36, 552745080), (40, 497470572), (45, 442196064), (48, 414558810), (54, 368496720), (60, 331647048), (72, 276372540), (80, 248735286), (81, 245664480), (90, 221098032), (96, 207279405), (108, 184248360), (120, 165823524), (135, 147398688), (144, 138186270), (160, 124367643), (162, 122832240), (180, 110549016), (216, 92124180), (240, 82911762), (243, 81888160), (270, 73699344), (288, 69093135), (324, 61416120), (360, 55274508), (405, 49132896), (432, 46062090), (480, 41455881), (486, 40944080), (540, 36849672), (648, 30708060), (720, 27637254), (810, 24566448), (864, 23031045), (972, 20472040), (1080, 18424836), (1215, 16377632), (1296, 15354030), (1440, 13818627), (1620, 12283224), (1944, 10236020), (2160, 9212418), (2430, 8188816), (2592, 7677015), (3240, 6141612), (3888, 5118010), (4320, 4606209), (4860, 4094408), (6480, 3070806), (7776, 2559005), (9720, 2047204), (12960, 1535403), (19440, 1023602), (38880, 511801)]