81519390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6079}}^1$

素因数の和:6241

約数の個数: 48

約数和(自身を含む): 213408000

約数和(自身を除く): 131888610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 2235, 2682, 4470, 6079, 6705, 12158, 13410, 18237, 30395, 36474, 54711, 60790, 91185, 109422, 182370, 273555, 547110, 905771, 1811542, 2717313, 4528855, 5434626, 8151939, 9057710, 13586565, 16303878, 27173130, 40759695, 81519390]

約数ペア:

[(1, 81519390), (2, 40759695), (3, 27173130), (5, 16303878), (6, 13586565), (9, 9057710), (10, 8151939), (15, 5434626), (18, 4528855), (30, 2717313), (45, 1811542), (90, 905771), (149, 547110), (298, 273555), (447, 182370), (745, 109422), (894, 91185), (1341, 60790), (1490, 54711), (2235, 36474), (2682, 30395), (4470, 18237), (6079, 13410), (6705, 12158)]