76987880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 182753280

約数和(自身を除く): 105765400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1321, 1457, 1880, 2642, 2914, 5284, 5828, 6605, 7285, 10568, 11656, 13210, 14570, 26420, 29140, 40951, 52840, 58280, 62087, 81902, 124174, 163804, 204755, 248348, 310435, 327608, 409510, 496696, 620870, 819020, 1241740, 1638040, 1924697, 2483480, 3849394, 7698788, 9623485, 15397576, 19246970, 38493940, 76987880]

約数ペア:

[(1, 76987880), (2, 38493940), (4, 19246970), (5, 15397576), (8, 9623485), (10, 7698788), (20, 3849394), (31, 2483480), (40, 1924697), (47, 1638040), (62, 1241740), (94, 819020), (124, 620870), (155, 496696), (188, 409510), (235, 327608), (248, 310435), (310, 248348), (376, 204755), (470, 163804), (620, 124174), (940, 81902), (1240, 62087), (1321, 58280), (1457, 52840), (1880, 40951), (2642, 29140), (2914, 26420), (5284, 14570), (5828, 13210), (6605, 11656), (7285, 10568)]