679178640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{404273}}^1$

素因数の和:404296

約数の個数: 80

約数和(自身を含む): 2406238848

約数和(自身を除く): 1727060208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 404273, 808546, 1212819, 1617092, 2021365, 2425638, 2829911, 3234184, 4042730, 4851276, 5659822, 6064095, 6468368, 8085460, 8489733, 9702552, 11319644, 12128190, 14149555, 16170920, 16979466, 19405104, 22639288, 24256380, 28299110, 32341840, 33958932, 42448665, 45278576, 48512760, 56598220, 67917864, 84897330, 97025520, 113196440, 135835728, 169794660, 226392880, 339589320, 679178640]

約数ペア:

[(1, 679178640), (2, 339589320), (3, 226392880), (4, 169794660), (5, 135835728), (6, 113196440), (7, 97025520), (8, 84897330), (10, 67917864), (12, 56598220), (14, 48512760), (15, 45278576), (16, 42448665), (20, 33958932), (21, 32341840), (24, 28299110), (28, 24256380), (30, 22639288), (35, 19405104), (40, 16979466), (42, 16170920), (48, 14149555), (56, 12128190), (60, 11319644), (70, 9702552), (80, 8489733), (84, 8085460), (105, 6468368), (112, 6064095), (120, 5659822), (140, 4851276), (168, 4042730), (210, 3234184), (240, 2829911), (280, 2425638), (336, 2021365), (420, 1617092), (560, 1212819), (840, 808546), (1680, 404273)]