180723088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{124123}}^1$

素因数の和:124151

約数の個数: 40

約数和(自身を含む): 430958528

約数和(自身を除く): 250235440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 124123, 248246, 496492, 868861, 992984, 1613599, 1737722, 1985968, 3227198, 3475444, 6454396, 6950888, 11295193, 12908792, 13901776, 22590386, 25817584, 45180772, 90361544, 180723088]

約数ペア:

[(1, 180723088), (2, 90361544), (4, 45180772), (7, 25817584), (8, 22590386), (13, 13901776), (14, 12908792), (16, 11295193), (26, 6950888), (28, 6454396), (52, 3475444), (56, 3227198), (91, 1985968), (104, 1737722), (112, 1613599), (182, 992984), (208, 868861), (364, 496492), (728, 248246), (1456, 124123)]