81780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:88

約数の個数: 48

約数和(自身を含む): 241920

約数和(自身を除く): 160140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 47, 58, 60, 87, 94, 116, 141, 145, 174, 188, 235, 282, 290, 348, 435, 470, 564, 580, 705, 870, 940, 1363, 1410, 1740, 2726, 2820, 4089, 5452, 6815, 8178, 13630, 16356, 20445, 27260, 40890, 81780]

約数ペア:

[(1, 81780), (2, 40890), (3, 27260), (4, 20445), (5, 16356), (6, 13630), (10, 8178), (12, 6815), (15, 5452), (20, 4089), (29, 2820), (30, 2726), (47, 1740), (58, 1410), (60, 1363), (87, 940), (94, 870), (116, 705), (141, 580), (145, 564), (174, 470), (188, 435), (235, 348), (282, 290)]