66921960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79669}}^1$

素因数の和:79690

約数の個数: 64

約数和(自身を含む): 229449600

約数和(自身を除く): 162527640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 79669, 159338, 239007, 318676, 398345, 478014, 557683, 637352, 796690, 956028, 1115366, 1195035, 1593380, 1673049, 1912056, 2230732, 2390070, 2788415, 3186760, 3346098, 4461464, 4780140, 5576830, 6692196, 8365245, 9560280, 11153660, 13384392, 16730490, 22307320, 33460980, 66921960]

約数ペア:

[(1, 66921960), (2, 33460980), (3, 22307320), (4, 16730490), (5, 13384392), (6, 11153660), (7, 9560280), (8, 8365245), (10, 6692196), (12, 5576830), (14, 4780140), (15, 4461464), (20, 3346098), (21, 3186760), (24, 2788415), (28, 2390070), (30, 2230732), (35, 1912056), (40, 1673049), (42, 1593380), (56, 1195035), (60, 1115366), (70, 956028), (84, 796690), (105, 637352), (120, 557683), (140, 478014), (168, 398345), (210, 318676), (280, 239007), (420, 159338), (840, 79669)]