80667975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 142490880

約数和(自身を除く): 61822905

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 151, 255, 419, 425, 453, 755, 1257, 1275, 2095, 2265, 2567, 3775, 6285, 7123, 7701, 10475, 11325, 12835, 21369, 31425, 35615, 38505, 63269, 64175, 106845, 178075, 189807, 192525, 316345, 534225, 949035, 1075573, 1581725, 3226719, 4745175, 5377865, 16133595, 26889325, 80667975]

約数ペア:

[(1, 80667975), (3, 26889325), (5, 16133595), (15, 5377865), (17, 4745175), (25, 3226719), (51, 1581725), (75, 1075573), (85, 949035), (151, 534225), (255, 316345), (419, 192525), (425, 189807), (453, 178075), (755, 106845), (1257, 64175), (1275, 63269), (2095, 38505), (2265, 35615), (2567, 31425), (3775, 21369), (6285, 12835), (7123, 11325), (7701, 10475)]