81498330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21059}}^1$

素因数の和:21115

約数の個数: 48

約数和(自身を含む): 216833760

約数和(自身を除く): 135335430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 21059, 42118, 63177, 105295, 126354, 189531, 210590, 315885, 379062, 631770, 905537, 947655, 1811074, 1895310, 2716611, 4527685, 5433222, 8149833, 9055370, 13583055, 16299666, 27166110, 40749165, 81498330]

約数ペア:

[(1, 81498330), (2, 40749165), (3, 27166110), (5, 16299666), (6, 13583055), (9, 9055370), (10, 8149833), (15, 5433222), (18, 4527685), (30, 2716611), (43, 1895310), (45, 1811074), (86, 947655), (90, 905537), (129, 631770), (215, 379062), (258, 315885), (387, 210590), (430, 189531), (645, 126354), (774, 105295), (1290, 63177), (1935, 42118), (3870, 21059)]