51221160

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{15809}}^1$

素因数の和:15832

約数の個数: 80

約数和(自身を含む): 172170900

約数和(自身を除く): 120949740

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, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 15809, 31618, 47427, 63236, 79045, 94854, 126472, 142281, 158090, 189708, 237135, 284562, 316180, 379416, 426843, 474270, 569124, 632360, 711405, 853686, 948540, 1138248, 1280529, 1422810, 1707372, 1897080, 2134215, 2561058, 2845620, 3414744, 4268430, 5122116, 5691240, 6402645, 8536860, 10244232, 12805290, 17073720, 25610580, 51221160]

約数ペア:

[(1, 51221160), (2, 25610580), (3, 17073720), (4, 12805290), (5, 10244232), (6, 8536860), (8, 6402645), (9, 5691240), (10, 5122116), (12, 4268430), (15, 3414744), (18, 2845620), (20, 2561058), (24, 2134215), (27, 1897080), (30, 1707372), (36, 1422810), (40, 1280529), (45, 1138248), (54, 948540), (60, 853686), (72, 711405), (81, 632360), (90, 569124), (108, 474270), (120, 426843), (135, 379416), (162, 316180), (180, 284562), (216, 237135), (270, 189708), (324, 158090), (360, 142281), (405, 126472), (540, 94854), (648, 79045), (810, 63236), (1080, 47427), (1620, 31618), (3240, 15809)]