81918540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4597}}^1$

素因数の和:4629

約数の個数: 120

約数和(自身を含む): 280404432

約数和(自身を除く): 198485892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2970, 3564, 4455, 4597, 5940, 8910, 9194, 13791, 17820, 18388, 22985, 27582, 41373, 45970, 50567, 55164, 68955, 82746, 91940, 101134, 124119, 137910, 151701, 165492, 202268, 206865, 248238, 252835, 275820, 303402, 372357, 413730, 455103, 496476, 505670, 606804, 620595, 744714, 758505, 827460, 910206, 1011340, 1241190, 1365309, 1489428, 1517010, 1820412, 1861785, 2275515, 2482380, 2730618, 3034020, 3723570, 4095927, 4551030, 5461236, 6826545, 7447140, 8191854, 9102060, 13653090, 16383708, 20479635, 27306180, 40959270, 81918540]

約数ペア:

[(1, 81918540), (2, 40959270), (3, 27306180), (4, 20479635), (5, 16383708), (6, 13653090), (9, 9102060), (10, 8191854), (11, 7447140), (12, 6826545), (15, 5461236), (18, 4551030), (20, 4095927), (22, 3723570), (27, 3034020), (30, 2730618), (33, 2482380), (36, 2275515), (44, 1861785), (45, 1820412), (54, 1517010), (55, 1489428), (60, 1365309), (66, 1241190), (81, 1011340), (90, 910206), (99, 827460), (108, 758505), (110, 744714), (132, 620595), (135, 606804), (162, 505670), (165, 496476), (180, 455103), (198, 413730), (220, 372357), (270, 303402), (297, 275820), (324, 252835), (330, 248238), (396, 206865), (405, 202268), (495, 165492), (540, 151701), (594, 137910), (660, 124119), (810, 101134), (891, 91940), (990, 82746), (1188, 68955), (1485, 55164), (1620, 50567), (1782, 45970), (1980, 41373), (2970, 27582), (3564, 22985), (4455, 18388), (4597, 17820), (5940, 13791), (8910, 9194)]