15511307780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{995591}}^1$

素因数の和:995660

約数の個数: 48

約数和(自身を含む): 35124485760

約数和(自身を除く): 19613177980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 995591, 1991182, 3982364, 4977955, 9955910, 18916229, 19911820, 37832458, 40819231, 75664916, 81638462, 94581145, 163276924, 189162290, 204096155, 378324580, 408192310, 775565389, 816384620, 1551130778, 3102261556, 3877826945, 7755653890, 15511307780]

約数ペア:

[(1, 15511307780), (2, 7755653890), (4, 3877826945), (5, 3102261556), (10, 1551130778), (19, 816384620), (20, 775565389), (38, 408192310), (41, 378324580), (76, 204096155), (82, 189162290), (95, 163276924), (164, 94581145), (190, 81638462), (205, 75664916), (380, 40819231), (410, 37832458), (779, 19911820), (820, 18916229), (1558, 9955910), (3116, 4977955), (3895, 3982364), (7790, 1991182), (15580, 995591)]