243615515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 124102885

約数列:

[1, 5, 11, 13, 29, 31, 55, 65, 143, 145, 155, 319, 341, 377, 379, 403, 715, 899, 1595, 1705, 1885, 1895, 2015, 4147, 4169, 4433, 4495, 4927, 9889, 10991, 11687, 11749, 20735, 20845, 22165, 24635, 49445, 54197, 54955, 58435, 58745, 120901, 128557, 129239, 142883, 152737, 270985, 340721, 604505, 642785, 646195, 714415, 763685, 1571713, 1680107, 1703605, 3747931, 4429373, 7858565, 8400535, 18739655, 22146865, 48723103, 243615515]

約数ペア:

[(1, 243615515), (5, 48723103), (11, 22146865), (13, 18739655), (29, 8400535), (31, 7858565), (55, 4429373), (65, 3747931), (143, 1703605), (145, 1680107), (155, 1571713), (319, 763685), (341, 714415), (377, 646195), (379, 642785), (403, 604505), (715, 340721), (899, 270985), (1595, 152737), (1705, 142883), (1885, 129239), (1895, 128557), (2015, 120901), (4147, 58745), (4169, 58435), (4433, 54955), (4495, 54197), (4927, 49445), (9889, 24635), (10991, 22165), (11687, 20845), (11749, 20735)]