40728840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1777}}^1$

素因数の和:1982

約数の個数: 64

約数和(自身を含む): 122895360

約数和(自身を除く): 82166520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 955, 1146, 1528, 1777, 1910, 2292, 2865, 3554, 3820, 4584, 5331, 5730, 7108, 7640, 8885, 10662, 11460, 14216, 17770, 21324, 22920, 26655, 35540, 42648, 53310, 71080, 106620, 213240, 339407, 678814, 1018221, 1357628, 1697035, 2036442, 2715256, 3394070, 4072884, 5091105, 6788140, 8145768, 10182210, 13576280, 20364420, 40728840]

約数ペア:

[(1, 40728840), (2, 20364420), (3, 13576280), (4, 10182210), (5, 8145768), (6, 6788140), (8, 5091105), (10, 4072884), (12, 3394070), (15, 2715256), (20, 2036442), (24, 1697035), (30, 1357628), (40, 1018221), (60, 678814), (120, 339407), (191, 213240), (382, 106620), (573, 71080), (764, 53310), (955, 42648), (1146, 35540), (1528, 26655), (1777, 22920), (1910, 21324), (2292, 17770), (2865, 14216), (3554, 11460), (3820, 10662), (4584, 8885), (5331, 7640), (5730, 7108)]