79874820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443749}}^1$

素因数の和:443764

約数の個数: 36

約数和(自身を含む): 242287500

約数和(自身を除く): 162412680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443749, 887498, 1331247, 1774996, 2218745, 2662494, 3993741, 4437490, 5324988, 6656235, 7987482, 8874980, 13312470, 15974964, 19968705, 26624940, 39937410, 79874820]

約数ペア:

[(1, 79874820), (2, 39937410), (3, 26624940), (4, 19968705), (5, 15974964), (6, 13312470), (9, 8874980), (10, 7987482), (12, 6656235), (15, 5324988), (18, 4437490), (20, 3993741), (30, 2662494), (36, 2218745), (45, 1774996), (60, 1331247), (90, 887498), (180, 443749)]