66815700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31817}}^1$

素因数の和:31841

約数の個数: 72

約数和(自身を含む): 220944192

約数和(自身を除く): 154128492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 31817, 63634, 95451, 127268, 159085, 190902, 222719, 318170, 381804, 445438, 477255, 636340, 668157, 795425, 890876, 954510, 1113595, 1336314, 1590850, 1909020, 2227190, 2386275, 2672628, 3181700, 3340785, 4454380, 4772550, 5567975, 6681570, 9545100, 11135950, 13363140, 16703925, 22271900, 33407850, 66815700]

約数ペア:

[(1, 66815700), (2, 33407850), (3, 22271900), (4, 16703925), (5, 13363140), (6, 11135950), (7, 9545100), (10, 6681570), (12, 5567975), (14, 4772550), (15, 4454380), (20, 3340785), (21, 3181700), (25, 2672628), (28, 2386275), (30, 2227190), (35, 1909020), (42, 1590850), (50, 1336314), (60, 1113595), (70, 954510), (75, 890876), (84, 795425), (100, 668157), (105, 636340), (140, 477255), (150, 445438), (175, 381804), (210, 318170), (300, 222719), (350, 190902), (420, 159085), (525, 127268), (700, 95451), (1050, 63634), (2100, 31817)]