78640920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218447}}^1$

素因数の和:218464

約数の個数: 48

約数和(自身を含む): 255584160

約数和(自身を除く): 176943240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218447, 436894, 655341, 873788, 1092235, 1310682, 1747576, 1966023, 2184470, 2621364, 3276705, 3932046, 4368940, 5242728, 6553410, 7864092, 8737880, 9830115, 13106820, 15728184, 19660230, 26213640, 39320460, 78640920]

約数ペア:

[(1, 78640920), (2, 39320460), (3, 26213640), (4, 19660230), (5, 15728184), (6, 13106820), (8, 9830115), (9, 8737880), (10, 7864092), (12, 6553410), (15, 5242728), (18, 4368940), (20, 3932046), (24, 3276705), (30, 2621364), (36, 2184470), (40, 1966023), (45, 1747576), (60, 1310682), (72, 1092235), (90, 873788), (120, 655341), (180, 436894), (360, 218447)]