66709980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41179}}^1$

素因数の和:41200

約数の個数: 60

約数和(自身を含む): 209276760

約数和(自身を除く): 142566780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 41179, 82358, 123537, 164716, 205895, 247074, 370611, 411790, 494148, 617685, 741222, 823580, 1111833, 1235370, 1482444, 1853055, 2223666, 2470740, 3335499, 3706110, 4447332, 5559165, 6670998, 7412220, 11118330, 13341996, 16677495, 22236660, 33354990, 66709980]

約数ペア:

[(1, 66709980), (2, 33354990), (3, 22236660), (4, 16677495), (5, 13341996), (6, 11118330), (9, 7412220), (10, 6670998), (12, 5559165), (15, 4447332), (18, 3706110), (20, 3335499), (27, 2470740), (30, 2223666), (36, 1853055), (45, 1482444), (54, 1235370), (60, 1111833), (81, 823580), (90, 741222), (108, 617685), (135, 494148), (162, 411790), (180, 370611), (270, 247074), (324, 205895), (405, 164716), (540, 123537), (810, 82358), (1620, 41179)]