123739860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8629}}^1$

素因数の和:8880

約数の個数: 48

約数和(自身を含む): 347961600

約数和(自身を除く): 224221740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 2390, 2868, 3585, 4780, 7170, 8629, 14340, 17258, 25887, 34516, 43145, 51774, 86290, 103548, 129435, 172580, 258870, 517740, 2062331, 4124662, 6186993, 8249324, 10311655, 12373986, 20623310, 24747972, 30934965, 41246620, 61869930, 123739860]

約数ペア:

[(1, 123739860), (2, 61869930), (3, 41246620), (4, 30934965), (5, 24747972), (6, 20623310), (10, 12373986), (12, 10311655), (15, 8249324), (20, 6186993), (30, 4124662), (60, 2062331), (239, 517740), (478, 258870), (717, 172580), (956, 129435), (1195, 103548), (1434, 86290), (2390, 51774), (2868, 43145), (3585, 34516), (4780, 25887), (7170, 17258), (8629, 14340)]