78439860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145259}}^1$

素因数の和:145277

約数の個数: 48

約数和(自身を含む): 244036800

約数和(自身を除く): 165596940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145259, 290518, 435777, 581036, 726295, 871554, 1307331, 1452590, 1743108, 2178885, 2614662, 2905180, 3921993, 4357770, 5229324, 6536655, 7843986, 8715540, 13073310, 15687972, 19609965, 26146620, 39219930, 78439860]

約数ペア:

[(1, 78439860), (2, 39219930), (3, 26146620), (4, 19609965), (5, 15687972), (6, 13073310), (9, 8715540), (10, 7843986), (12, 6536655), (15, 5229324), (18, 4357770), (20, 3921993), (27, 2905180), (30, 2614662), (36, 2178885), (45, 1743108), (54, 1452590), (60, 1307331), (90, 871554), (108, 726295), (135, 581036), (180, 435777), (270, 290518), (540, 145259)]