72990775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 112680288

約数和(自身を除く): 39689513

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 1201, 2431, 3575, 4675, 5525, 6005, 12155, 13211, 15613, 20417, 30025, 60775, 66055, 78065, 102085, 171743, 224587, 265421, 330275, 390325, 510425, 858715, 1122935, 1327105, 2919631, 4293575, 5614675, 6635525, 14598155, 72990775]

約数ペア:

[(1, 72990775), (5, 14598155), (11, 6635525), (13, 5614675), (17, 4293575), (25, 2919631), (55, 1327105), (65, 1122935), (85, 858715), (143, 510425), (187, 390325), (221, 330275), (275, 265421), (325, 224587), (425, 171743), (715, 102085), (935, 78065), (1105, 66055), (1201, 60775), (2431, 30025), (3575, 20417), (4675, 15613), (5525, 13211), (6005, 12155)]