221716080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307939}}^1$

素因数の和:307958

約数の個数: 60

約数和(自身を含む): 744598920

約数和(自身を除く): 522882840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307939, 615878, 923817, 1231756, 1539695, 1847634, 2463512, 2771451, 3079390, 3695268, 4619085, 4927024, 5542902, 6158780, 7390536, 9238170, 11085804, 12317560, 13857255, 14781072, 18476340, 22171608, 24635120, 27714510, 36952680, 44343216, 55429020, 73905360, 110858040, 221716080]

約数ペア:

[(1, 221716080), (2, 110858040), (3, 73905360), (4, 55429020), (5, 44343216), (6, 36952680), (8, 27714510), (9, 24635120), (10, 22171608), (12, 18476340), (15, 14781072), (16, 13857255), (18, 12317560), (20, 11085804), (24, 9238170), (30, 7390536), (36, 6158780), (40, 5542902), (45, 4927024), (48, 4619085), (60, 3695268), (72, 3079390), (80, 2771451), (90, 2463512), (120, 1847634), (144, 1539695), (180, 1231756), (240, 923817), (360, 615878), (720, 307939)]