78342840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217619}}^1$

素因数の和:217636

約数の個数: 48

約数和(自身を含む): 254615400

約数和(自身を除く): 176272560

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, 217619, 435238, 652857, 870476, 1088095, 1305714, 1740952, 1958571, 2176190, 2611428, 3264285, 3917142, 4352380, 5222856, 6528570, 7834284, 8704760, 9792855, 13057140, 15668568, 19585710, 26114280, 39171420, 78342840]

約数ペア:

[(1, 78342840), (2, 39171420), (3, 26114280), (4, 19585710), (5, 15668568), (6, 13057140), (8, 9792855), (9, 8704760), (10, 7834284), (12, 6528570), (15, 5222856), (18, 4352380), (20, 3917142), (24, 3264285), (30, 2611428), (36, 2176190), (40, 1958571), (45, 1740952), (60, 1305714), (72, 1088095), (90, 870476), (120, 652857), (180, 435238), (360, 217619)]