78639390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{291257}}^1$

素因数の和:291273

約数の個数: 32

約数和(自身を含む): 209705760

約数和(自身を除く): 131066370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 291257, 582514, 873771, 1456285, 1747542, 2621313, 2912570, 4368855, 5242626, 7863939, 8737710, 13106565, 15727878, 26213130, 39319695, 78639390]

約数ペア:

[(1, 78639390), (2, 39319695), (3, 26213130), (5, 15727878), (6, 13106565), (9, 8737710), (10, 7863939), (15, 5242626), (18, 4368855), (27, 2912570), (30, 2621313), (45, 1747542), (54, 1456285), (90, 873771), (135, 582514), (270, 291257)]