668220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 2247168

約数和(自身を除く): 1578948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 43, 60, 70, 74, 84, 86, 105, 111, 129, 140, 148, 172, 185, 210, 215, 222, 258, 259, 301, 370, 420, 430, 444, 516, 518, 555, 602, 645, 740, 777, 860, 903, 1036, 1110, 1204, 1290, 1295, 1505, 1554, 1591, 1806, 2220, 2580, 2590, 3010, 3108, 3182, 3612, 3885, 4515, 4773, 5180, 6020, 6364, 7770, 7955, 9030, 9546, 11137, 15540, 15910, 18060, 19092, 22274, 23865, 31820, 33411, 44548, 47730, 55685, 66822, 95460, 111370, 133644, 167055, 222740, 334110, 668220]

約数ペア:

[(1, 668220), (2, 334110), (3, 222740), (4, 167055), (5, 133644), (6, 111370), (7, 95460), (10, 66822), (12, 55685), (14, 47730), (15, 44548), (20, 33411), (21, 31820), (28, 23865), (30, 22274), (35, 19092), (37, 18060), (42, 15910), (43, 15540), (60, 11137), (70, 9546), (74, 9030), (84, 7955), (86, 7770), (105, 6364), (111, 6020), (129, 5180), (140, 4773), (148, 4515), (172, 3885), (185, 3612), (210, 3182), (215, 3108), (222, 3010), (258, 2590), (259, 2580), (301, 2220), (370, 1806), (420, 1591), (430, 1554), (444, 1505), (516, 1295), (518, 1290), (555, 1204), (602, 1110), (645, 1036), (740, 903), (777, 860)]