43390720

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 105225120

約数和(自身を除く): 61834400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 311, 320, 436, 545, 622, 640, 872, 1090, 1244, 1280, 1555, 1744, 2180, 2488, 3110, 3488, 4360, 4976, 6220, 6976, 8720, 9952, 12440, 13952, 17440, 19904, 24880, 27904, 33899, 34880, 39808, 49760, 67798, 69760, 79616, 99520, 135596, 139520, 169495, 199040, 271192, 338990, 398080, 542384, 677980, 1084768, 1355960, 2169536, 2711920, 4339072, 5423840, 8678144, 10847680, 21695360, 43390720]

約数ペア:

[(1, 43390720), (2, 21695360), (4, 10847680), (5, 8678144), (8, 5423840), (10, 4339072), (16, 2711920), (20, 2169536), (32, 1355960), (40, 1084768), (64, 677980), (80, 542384), (109, 398080), (128, 338990), (160, 271192), (218, 199040), (256, 169495), (311, 139520), (320, 135596), (436, 99520), (545, 79616), (622, 69760), (640, 67798), (872, 49760), (1090, 39808), (1244, 34880), (1280, 33899), (1555, 27904), (1744, 24880), (2180, 19904), (2488, 17440), (3110, 13952), (3488, 12440), (4360, 9952), (4976, 8720), (6220, 6976)]