280309518

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2094

約数の個数: 64

約数和(自身を含む): 648172800

約数和(自身を除く): 367863282

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 61, 86, 122, 129, 183, 258, 366, 387, 549, 774, 1098, 1161, 1647, 1979, 2322, 2623, 3294, 3958, 5246, 5937, 7869, 11874, 15738, 17811, 23607, 35622, 47214, 53433, 70821, 85097, 106866, 120719, 141642, 170194, 241438, 255291, 362157, 510582, 724314, 765873, 1086471, 1531746, 2172942, 2297619, 3259413, 4595238, 5190917, 6518826, 10381834, 15572751, 31145502, 46718253, 93436506, 140154759, 280309518]

約数ペア:

[(1, 280309518), (2, 140154759), (3, 93436506), (6, 46718253), (9, 31145502), (18, 15572751), (27, 10381834), (43, 6518826), (54, 5190917), (61, 4595238), (86, 3259413), (122, 2297619), (129, 2172942), (183, 1531746), (258, 1086471), (366, 765873), (387, 724314), (549, 510582), (774, 362157), (1098, 255291), (1161, 241438), (1647, 170194), (1979, 141642), (2322, 120719), (2623, 106866), (3294, 85097), (3958, 70821), (5246, 53433), (5937, 47214), (7869, 35622), (11874, 23607), (15738, 17811)]