81271770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2819}}^1$

素因数の和:2891

約数の個数: 48

約数和(自身を含む): 201618720

約数和(自身を除く): 120346950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 961, 1922, 2819, 2883, 4805, 5638, 5766, 8457, 9610, 14095, 14415, 16914, 28190, 28830, 42285, 84570, 87389, 174778, 262167, 436945, 524334, 873890, 1310835, 2621670, 2709059, 5418118, 8127177, 13545295, 16254354, 27090590, 40635885, 81271770]

約数ペア:

[(1, 81271770), (2, 40635885), (3, 27090590), (5, 16254354), (6, 13545295), (10, 8127177), (15, 5418118), (30, 2709059), (31, 2621670), (62, 1310835), (93, 873890), (155, 524334), (186, 436945), (310, 262167), (465, 174778), (930, 87389), (961, 84570), (1922, 42285), (2819, 28830), (2883, 28190), (4805, 16914), (5638, 14415), (5766, 14095), (8457, 9610)]