80204325

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 138014976

約数和(自身を除く): 57810651

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 305, 373, 705, 915, 1119, 1175, 1525, 1865, 2867, 3525, 4575, 5595, 8601, 9325, 14335, 17531, 22753, 27975, 43005, 52593, 68259, 71675, 87655, 113765, 215025, 262965, 341295, 438275, 568825, 1069391, 1314825, 1706475, 3208173, 5346955, 16040865, 26734775, 80204325]

約数ペア:

[(1, 80204325), (3, 26734775), (5, 16040865), (15, 5346955), (25, 3208173), (47, 1706475), (61, 1314825), (75, 1069391), (141, 568825), (183, 438275), (235, 341295), (305, 262965), (373, 215025), (705, 113765), (915, 87655), (1119, 71675), (1175, 68259), (1525, 52593), (1865, 43005), (2867, 27975), (3525, 22753), (4575, 17531), (5595, 14335), (8601, 9325)]