64760320

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 80

約数和(自身を含む): 159317928

約数和(自身を除く): 94557608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 617, 640, 656, 820, 1234, 1280, 1312, 1640, 2468, 2560, 2624, 3085, 3280, 4936, 5248, 6170, 6560, 9872, 10496, 12340, 13120, 19744, 20992, 24680, 25297, 26240, 39488, 49360, 50594, 52480, 78976, 98720, 101188, 104960, 126485, 157952, 197440, 202376, 252970, 315904, 394880, 404752, 505940, 789760, 809504, 1011880, 1579520, 1619008, 2023760, 3238016, 4047520, 6476032, 8095040, 12952064, 16190080, 32380160, 64760320]

約数ペア:

[(1, 64760320), (2, 32380160), (4, 16190080), (5, 12952064), (8, 8095040), (10, 6476032), (16, 4047520), (20, 3238016), (32, 2023760), (40, 1619008), (41, 1579520), (64, 1011880), (80, 809504), (82, 789760), (128, 505940), (160, 404752), (164, 394880), (205, 315904), (256, 252970), (320, 202376), (328, 197440), (410, 157952), (512, 126485), (617, 104960), (640, 101188), (656, 98720), (820, 78976), (1234, 52480), (1280, 50594), (1312, 49360), (1640, 39488), (2468, 26240), (2560, 25297), (2624, 24680), (3085, 20992), (3280, 19744), (4936, 13120), (5248, 12340), (6170, 10496), (6560, 9872)]