8271420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4490

約数の個数: 48

約数和(自身を含む): 23912448

約数和(自身を除く): 15641028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 4447, 8894, 13341, 17788, 22235, 26682, 44470, 53364, 66705, 88940, 133410, 137857, 266820, 275714, 413571, 551428, 689285, 827142, 1378570, 1654284, 2067855, 2757140, 4135710, 8271420]

約数ペア:

[(1, 8271420), (2, 4135710), (3, 2757140), (4, 2067855), (5, 1654284), (6, 1378570), (10, 827142), (12, 689285), (15, 551428), (20, 413571), (30, 275714), (31, 266820), (60, 137857), (62, 133410), (93, 88940), (124, 66705), (155, 53364), (186, 44470), (310, 26682), (372, 22235), (465, 17788), (620, 13341), (930, 8894), (1860, 4447)]