720205785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53527}}^1$

素因数の和:53574

約数の個数: 48

約数和(自身を含む): 1402861824

約数和(自身を除く): 682656039

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 53527, 160581, 267635, 481743, 695851, 802905, 1231121, 2087553, 2408715, 3479255, 3693363, 6155605, 6262659, 10437765, 11080089, 16004573, 18466815, 31313295, 48013719, 55400445, 80022865, 144041157, 240068595, 720205785]

約数ペア:

[(1, 720205785), (3, 240068595), (5, 144041157), (9, 80022865), (13, 55400445), (15, 48013719), (23, 31313295), (39, 18466815), (45, 16004573), (65, 11080089), (69, 10437765), (115, 6262659), (117, 6155605), (195, 3693363), (207, 3479255), (299, 2408715), (345, 2087553), (585, 1231121), (897, 802905), (1035, 695851), (1495, 481743), (2691, 267635), (4485, 160581), (13455, 53527)]