78497440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 96

約数和(自身を含む): 214220160

約数和(自身を除く): 135722720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 436, 545, 560, 643, 763, 872, 1090, 1120, 1286, 1526, 1744, 2180, 2572, 3052, 3215, 3488, 3815, 4360, 4501, 5144, 6104, 6430, 7630, 8720, 9002, 10288, 12208, 12860, 15260, 17440, 18004, 20576, 22505, 24416, 25720, 30520, 36008, 45010, 51440, 61040, 70087, 72016, 90020, 102880, 122080, 140174, 144032, 180040, 280348, 350435, 360080, 490609, 560696, 700870, 720160, 981218, 1121392, 1401740, 1962436, 2242784, 2453045, 2803480, 3924872, 4906090, 5606960, 7849744, 9812180, 11213920, 15699488, 19624360, 39248720, 78497440]

約数ペア:

[(1, 78497440), (2, 39248720), (4, 19624360), (5, 15699488), (7, 11213920), (8, 9812180), (10, 7849744), (14, 5606960), (16, 4906090), (20, 3924872), (28, 2803480), (32, 2453045), (35, 2242784), (40, 1962436), (56, 1401740), (70, 1121392), (80, 981218), (109, 720160), (112, 700870), (140, 560696), (160, 490609), (218, 360080), (224, 350435), (280, 280348), (436, 180040), (545, 144032), (560, 140174), (643, 122080), (763, 102880), (872, 90020), (1090, 72016), (1120, 70087), (1286, 61040), (1526, 51440), (1744, 45010), (2180, 36008), (2572, 30520), (3052, 25720), (3215, 24416), (3488, 22505), (3815, 20576), (4360, 18004), (4501, 17440), (5144, 15260), (6104, 12860), (6430, 12208), (7630, 10288), (8720, 9002)]