12780840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 38894400

約数和(自身を除く): 26113560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1459, 1460, 1752, 2190, 2918, 2920, 4377, 4380, 5836, 7295, 8754, 8760, 11672, 14590, 17508, 21885, 29180, 35016, 43770, 58360, 87540, 106507, 175080, 213014, 319521, 426028, 532535, 639042, 852056, 1065070, 1278084, 1597605, 2130140, 2556168, 3195210, 4260280, 6390420, 12780840]

約数ペア:

[(1, 12780840), (2, 6390420), (3, 4260280), (4, 3195210), (5, 2556168), (6, 2130140), (8, 1597605), (10, 1278084), (12, 1065070), (15, 852056), (20, 639042), (24, 532535), (30, 426028), (40, 319521), (60, 213014), (73, 175080), (120, 106507), (146, 87540), (219, 58360), (292, 43770), (365, 35016), (438, 29180), (584, 21885), (730, 17508), (876, 14590), (1095, 11672), (1459, 8760), (1460, 8754), (1752, 7295), (2190, 5836), (2918, 4380), (2920, 4377)]