128307540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3389}}^1$

素因数の和:4032

約数の個数: 48

約数和(自身を含む): 359936640

約数和(自身を除く): 231629100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 631, 1262, 1893, 2524, 3155, 3389, 3786, 6310, 6778, 7572, 9465, 10167, 12620, 13556, 16945, 18930, 20334, 33890, 37860, 40668, 50835, 67780, 101670, 203340, 2138459, 4276918, 6415377, 8553836, 10692295, 12830754, 21384590, 25661508, 32076885, 42769180, 64153770, 128307540]

約数ペア:

[(1, 128307540), (2, 64153770), (3, 42769180), (4, 32076885), (5, 25661508), (6, 21384590), (10, 12830754), (12, 10692295), (15, 8553836), (20, 6415377), (30, 4276918), (60, 2138459), (631, 203340), (1262, 101670), (1893, 67780), (2524, 50835), (3155, 40668), (3389, 37860), (3786, 33890), (6310, 20334), (6778, 18930), (7572, 16945), (9465, 13556), (10167, 12620)]