81735480

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{2803}}^1$

素因数の和:2832

約数の個数: 112

約数和(自身を含む): 275829480

約数和(自身を除く): 194094000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2803, 2916, 3240, 3645, 4860, 5606, 5832, 7290, 8409, 9720, 11212, 14015, 14580, 16818, 22424, 25227, 28030, 29160, 33636, 42045, 50454, 56060, 67272, 75681, 84090, 100908, 112120, 126135, 151362, 168180, 201816, 227043, 252270, 302724, 336360, 378405, 454086, 504540, 605448, 681129, 756810, 908172, 1009080, 1135215, 1362258, 1513620, 1816344, 2043387, 2270430, 2724516, 3027240, 3405645, 4086774, 4540860, 5449032, 6811290, 8173548, 9081720, 10216935, 13622580, 16347096, 20433870, 27245160, 40867740, 81735480]

約数ペア:

[(1, 81735480), (2, 40867740), (3, 27245160), (4, 20433870), (5, 16347096), (6, 13622580), (8, 10216935), (9, 9081720), (10, 8173548), (12, 6811290), (15, 5449032), (18, 4540860), (20, 4086774), (24, 3405645), (27, 3027240), (30, 2724516), (36, 2270430), (40, 2043387), (45, 1816344), (54, 1513620), (60, 1362258), (72, 1135215), (81, 1009080), (90, 908172), (108, 756810), (120, 681129), (135, 605448), (162, 504540), (180, 454086), (216, 378405), (243, 336360), (270, 302724), (324, 252270), (360, 227043), (405, 201816), (486, 168180), (540, 151362), (648, 126135), (729, 112120), (810, 100908), (972, 84090), (1080, 75681), (1215, 67272), (1458, 56060), (1620, 50454), (1944, 42045), (2430, 33636), (2803, 29160), (2916, 28030), (3240, 25227), (3645, 22424), (4860, 16818), (5606, 14580), (5832, 14015), (7290, 11212), (8409, 9720)]