78699180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187379}}^1$

素因数の和:187398

約数の個数: 48

約数和(自身を含む): 251838720

約数和(自身を除く): 173139540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187379, 374758, 562137, 749516, 936895, 1124274, 1311653, 1873790, 2248548, 2623306, 2810685, 3747580, 3934959, 5246612, 5621370, 6558265, 7869918, 11242740, 13116530, 15739836, 19674795, 26233060, 39349590, 78699180]

約数ペア:

[(1, 78699180), (2, 39349590), (3, 26233060), (4, 19674795), (5, 15739836), (6, 13116530), (7, 11242740), (10, 7869918), (12, 6558265), (14, 5621370), (15, 5246612), (20, 3934959), (21, 3747580), (28, 2810685), (30, 2623306), (35, 2248548), (42, 1873790), (60, 1311653), (70, 1124274), (84, 936895), (105, 749516), (140, 562137), (210, 374758), (420, 187379)]