80559990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127873}}^1$

素因数の和:127893

約数の個数: 48

約数和(自身を含む): 239380128

約数和(自身を除く): 158820138

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 127873, 255746, 383619, 639365, 767238, 895111, 1150857, 1278730, 1790222, 1918095, 2301714, 2685333, 3836190, 4475555, 5370666, 5754285, 8055999, 8951110, 11508570, 13426665, 16111998, 26853330, 40279995, 80559990]

約数ペア:

[(1, 80559990), (2, 40279995), (3, 26853330), (5, 16111998), (6, 13426665), (7, 11508570), (9, 8951110), (10, 8055999), (14, 5754285), (15, 5370666), (18, 4475555), (21, 3836190), (30, 2685333), (35, 2301714), (42, 1918095), (45, 1790222), (63, 1278730), (70, 1150857), (90, 895111), (105, 767238), (126, 639365), (210, 383619), (315, 255746), (630, 127873)]