80518428

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39239}}^1$

素因数の和:39271

約数の個数: 48

約数和(自身を含む): 219744000

約数和(自身を除く): 139225572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 39239, 78478, 117717, 156956, 235434, 353151, 470868, 706302, 745541, 1059453, 1412604, 1491082, 2118906, 2236623, 2982164, 4237812, 4473246, 6709869, 8946492, 13419738, 20129607, 26839476, 40259214, 80518428]

約数ペア:

[(1, 80518428), (2, 40259214), (3, 26839476), (4, 20129607), (6, 13419738), (9, 8946492), (12, 6709869), (18, 4473246), (19, 4237812), (27, 2982164), (36, 2236623), (38, 2118906), (54, 1491082), (57, 1412604), (76, 1059453), (108, 745541), (114, 706302), (171, 470868), (228, 353151), (342, 235434), (513, 156956), (684, 117717), (1026, 78478), (2052, 39239)]