81962730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21179}}^1$

素因数の和:21235

約数の個数: 48

約数和(自身を含む): 218069280

約数和(自身を除く): 136106550

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, 21179, 42358, 63537, 105895, 127074, 190611, 211790, 317685, 381222, 635370, 910697, 953055, 1821394, 1906110, 2732091, 4553485, 5464182, 8196273, 9106970, 13660455, 16392546, 27320910, 40981365, 81962730]

約数ペア:

[(1, 81962730), (2, 40981365), (3, 27320910), (5, 16392546), (6, 13660455), (9, 9106970), (10, 8196273), (15, 5464182), (18, 4553485), (30, 2732091), (43, 1906110), (45, 1821394), (86, 953055), (90, 910697), (129, 635370), (215, 381222), (258, 317685), (387, 211790), (430, 190611), (645, 127074), (774, 105895), (1290, 63537), (1935, 42358), (3870, 21179)]