71273960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 95650840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 229, 248, 251, 310, 458, 502, 620, 916, 1004, 1145, 1240, 1255, 1832, 2008, 2290, 2510, 4580, 5020, 7099, 7781, 9160, 10040, 14198, 15562, 28396, 31124, 35495, 38905, 56792, 57479, 62248, 70990, 77810, 114958, 141980, 155620, 229916, 283960, 287395, 311240, 459832, 574790, 1149580, 1781849, 2299160, 3563698, 7127396, 8909245, 14254792, 17818490, 35636980, 71273960]

約数ペア:

[(1, 71273960), (2, 35636980), (4, 17818490), (5, 14254792), (8, 8909245), (10, 7127396), (20, 3563698), (31, 2299160), (40, 1781849), (62, 1149580), (124, 574790), (155, 459832), (229, 311240), (248, 287395), (251, 283960), (310, 229916), (458, 155620), (502, 141980), (620, 114958), (916, 77810), (1004, 70990), (1145, 62248), (1240, 57479), (1255, 56792), (1832, 38905), (2008, 35495), (2290, 31124), (2510, 28396), (4580, 15562), (5020, 14198), (7099, 10040), (7781, 9160)]