78877020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42407}}^1$

素因数の和:42450

約数の個数: 48

約数和(自身を含む): 227985408

約数和(自身を除く): 149108388

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, 42407, 84814, 127221, 169628, 212035, 254442, 424070, 508884, 636105, 848140, 1272210, 1314617, 2544420, 2629234, 3943851, 5258468, 6573085, 7887702, 13146170, 15775404, 19719255, 26292340, 39438510, 78877020]

約数ペア:

[(1, 78877020), (2, 39438510), (3, 26292340), (4, 19719255), (5, 15775404), (6, 13146170), (10, 7887702), (12, 6573085), (15, 5258468), (20, 3943851), (30, 2629234), (31, 2544420), (60, 1314617), (62, 1272210), (93, 848140), (124, 636105), (155, 508884), (186, 424070), (310, 254442), (372, 212035), (465, 169628), (620, 127221), (930, 84814), (1860, 42407)]