123171900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17851}}^1$

素因数の和:17891

約数の個数: 72

約数和(自身を含む): 371892864

約数和(自身を除く): 248720964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3450, 6900, 17851, 35702, 53553, 71404, 89255, 107106, 178510, 214212, 267765, 357020, 410573, 446275, 535530, 821146, 892550, 1071060, 1231719, 1338825, 1642292, 1785100, 2052865, 2463438, 2677650, 4105730, 4926876, 5355300, 6158595, 8211460, 10264325, 12317190, 20528650, 24634380, 30792975, 41057300, 61585950, 123171900]

約数ペア:

[(1, 123171900), (2, 61585950), (3, 41057300), (4, 30792975), (5, 24634380), (6, 20528650), (10, 12317190), (12, 10264325), (15, 8211460), (20, 6158595), (23, 5355300), (25, 4926876), (30, 4105730), (46, 2677650), (50, 2463438), (60, 2052865), (69, 1785100), (75, 1642292), (92, 1338825), (100, 1231719), (115, 1071060), (138, 892550), (150, 821146), (230, 535530), (276, 446275), (300, 410573), (345, 357020), (460, 267765), (575, 214212), (690, 178510), (1150, 107106), (1380, 89255), (1725, 71404), (2300, 53553), (3450, 35702), (6900, 17851)]