728820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4049}}^1$

素因数の和:4064

約数の個数: 36

約数和(自身を含む): 2211300

約数和(自身を除く): 1482480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4049, 8098, 12147, 16196, 20245, 24294, 36441, 40490, 48588, 60735, 72882, 80980, 121470, 145764, 182205, 242940, 364410, 728820]

約数ペア:

[(1, 728820), (2, 364410), (3, 242940), (4, 182205), (5, 145764), (6, 121470), (9, 80980), (10, 72882), (12, 60735), (15, 48588), (18, 40490), (20, 36441), (30, 24294), (36, 20245), (45, 16196), (60, 12147), (90, 8098), (180, 4049)]