172807880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{811}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 445495680

約数和(自身を除く): 272687800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 761, 811, 1522, 1622, 3044, 3244, 3805, 4055, 5327, 5677, 6088, 6488, 7610, 8110, 10654, 11354, 15220, 16220, 21308, 22708, 26635, 28385, 30440, 32440, 42616, 45416, 53270, 56770, 106540, 113540, 213080, 227080, 617171, 1234342, 2468684, 3085855, 4320197, 4937368, 6171710, 8640394, 12343420, 17280788, 21600985, 24686840, 34561576, 43201970, 86403940, 172807880]

約数ペア:

[(1, 172807880), (2, 86403940), (4, 43201970), (5, 34561576), (7, 24686840), (8, 21600985), (10, 17280788), (14, 12343420), (20, 8640394), (28, 6171710), (35, 4937368), (40, 4320197), (56, 3085855), (70, 2468684), (140, 1234342), (280, 617171), (761, 227080), (811, 213080), (1522, 113540), (1622, 106540), (3044, 56770), (3244, 53270), (3805, 45416), (4055, 42616), (5327, 32440), (5677, 30440), (6088, 28385), (6488, 26635), (7610, 22708), (8110, 21308), (10654, 16220), (11354, 15220)]