7720897280

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{55339}}^1$

素因数の和:55469

約数の個数: 72

約数和(自身を含む): 18663968400

約数和(自身を除く): 10943071120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1744, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 27904, 34880, 55339, 69760, 110678, 139520, 221356, 276695, 442712, 553390, 885424, 1106780, 1770848, 2213560, 3541696, 4427120, 6031951, 7083392, 8854240, 12063902, 14166784, 17708480, 24127804, 30159755, 35416960, 48255608, 60319510, 70833920, 96511216, 120639020, 193022432, 241278040, 386044864, 482556080, 772089728, 965112160, 1544179456, 1930224320, 3860448640, 7720897280]

約数ペア:

[(1, 7720897280), (2, 3860448640), (4, 1930224320), (5, 1544179456), (8, 965112160), (10, 772089728), (16, 482556080), (20, 386044864), (32, 241278040), (40, 193022432), (64, 120639020), (80, 96511216), (109, 70833920), (128, 60319510), (160, 48255608), (218, 35416960), (256, 30159755), (320, 24127804), (436, 17708480), (545, 14166784), (640, 12063902), (872, 8854240), (1090, 7083392), (1280, 6031951), (1744, 4427120), (2180, 3541696), (3488, 2213560), (4360, 1770848), (6976, 1106780), (8720, 885424), (13952, 553390), (17440, 442712), (27904, 276695), (34880, 221356), (55339, 139520), (69760, 110678)]