64344780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39719}}^1$

素因数の和:39740

約数の個数: 60

約数和(自身を含む): 201857040

約数和(自身を除く): 137512260

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, 39719, 79438, 119157, 158876, 198595, 238314, 357471, 397190, 476628, 595785, 714942, 794380, 1072413, 1191570, 1429884, 1787355, 2144826, 2383140, 3217239, 3574710, 4289652, 5362065, 6434478, 7149420, 10724130, 12868956, 16086195, 21448260, 32172390, 64344780]

約数ペア:

[(1, 64344780), (2, 32172390), (3, 21448260), (4, 16086195), (5, 12868956), (6, 10724130), (9, 7149420), (10, 6434478), (12, 5362065), (15, 4289652), (18, 3574710), (20, 3217239), (27, 2383140), (30, 2144826), (36, 1787355), (45, 1429884), (54, 1191570), (60, 1072413), (81, 794380), (90, 714942), (108, 595785), (135, 476628), (162, 397190), (180, 357471), (270, 238314), (324, 198595), (405, 158876), (540, 119157), (810, 79438), (1620, 39719)]