20978637600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8741099}}^1$

素因数の和:8741122

約数の個数: 72

約数和(自身を含む): 68285473200

約数和(自身を除く): 47306835600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8741099, 17482198, 26223297, 34964396, 43705495, 52446594, 69928792, 87410990, 104893188, 131116485, 139857584, 174821980, 209786376, 218527475, 262232970, 279715168, 349643960, 419572752, 437054950, 524465940, 655582425, 699287920, 839145504, 874109900, 1048931880, 1311164850, 1398575840, 1748219800, 2097863760, 2622329700, 3496439600, 4195727520, 5244659400, 6992879200, 10489318800, 20978637600]

約数ペア:

[(1, 20978637600), (2, 10489318800), (3, 6992879200), (4, 5244659400), (5, 4195727520), (6, 3496439600), (8, 2622329700), (10, 2097863760), (12, 1748219800), (15, 1398575840), (16, 1311164850), (20, 1048931880), (24, 874109900), (25, 839145504), (30, 699287920), (32, 655582425), (40, 524465940), (48, 437054950), (50, 419572752), (60, 349643960), (75, 279715168), (80, 262232970), (96, 218527475), (100, 209786376), (120, 174821980), (150, 139857584), (160, 131116485), (200, 104893188), (240, 87410990), (300, 69928792), (400, 52446594), (480, 43705495), (600, 34964396), (800, 26223297), (1200, 17482198), (2400, 8741099)]