81357600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 144

約数和(自身を含む): 268107840

約数和(自身を除く): 186750240

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, 109, 120, 150, 160, 200, 218, 240, 300, 311, 327, 400, 436, 480, 545, 600, 622, 654, 800, 872, 933, 1090, 1200, 1244, 1308, 1555, 1635, 1744, 1866, 2180, 2400, 2488, 2616, 2725, 3110, 3270, 3488, 3732, 4360, 4665, 4976, 5232, 5450, 6220, 6540, 7464, 7775, 8175, 8720, 9330, 9952, 10464, 10900, 12440, 13080, 14928, 15550, 16350, 17440, 18660, 21800, 23325, 24880, 26160, 29856, 31100, 32700, 33899, 37320, 43600, 46650, 49760, 52320, 62200, 65400, 67798, 74640, 87200, 93300, 101697, 124400, 130800, 135596, 149280, 169495, 186600, 203394, 248800, 261600, 271192, 338990, 373200, 406788, 508485, 542384, 677980, 746400, 813576, 847475, 1016970, 1084768, 1355960, 1627152, 1694950, 2033940, 2542425, 2711920, 3254304, 3389900, 4067880, 5084850, 5423840, 6779800, 8135760, 10169700, 13559600, 16271520, 20339400, 27119200, 40678800, 81357600]

約数ペア:

[(1, 81357600), (2, 40678800), (3, 27119200), (4, 20339400), (5, 16271520), (6, 13559600), (8, 10169700), (10, 8135760), (12, 6779800), (15, 5423840), (16, 5084850), (20, 4067880), (24, 3389900), (25, 3254304), (30, 2711920), (32, 2542425), (40, 2033940), (48, 1694950), (50, 1627152), (60, 1355960), (75, 1084768), (80, 1016970), (96, 847475), (100, 813576), (109, 746400), (120, 677980), (150, 542384), (160, 508485), (200, 406788), (218, 373200), (240, 338990), (300, 271192), (311, 261600), (327, 248800), (400, 203394), (436, 186600), (480, 169495), (545, 149280), (600, 135596), (622, 130800), (654, 124400), (800, 101697), (872, 93300), (933, 87200), (1090, 74640), (1200, 67798), (1244, 65400), (1308, 62200), (1555, 52320), (1635, 49760), (1744, 46650), (1866, 43600), (2180, 37320), (2400, 33899), (2488, 32700), (2616, 31100), (2725, 29856), (3110, 26160), (3270, 24880), (3488, 23325), (3732, 21800), (4360, 18660), (4665, 17440), (4976, 16350), (5232, 15550), (5450, 14928), (6220, 13080), (6540, 12440), (7464, 10900), (7775, 10464), (8175, 9952), (8720, 9330)]