81693810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 233513280

約数和(自身を除く): 151819470

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 179, 198, 330, 358, 461, 495, 537, 895, 922, 990, 1074, 1383, 1611, 1790, 1969, 2305, 2685, 2766, 3222, 3938, 4149, 4610, 5071, 5370, 5907, 6915, 8055, 8298, 9845, 10142, 11814, 13830, 15213, 16110, 17721, 19690, 20745, 25355, 29535, 30426, 35442, 41490, 45639, 50710, 59070, 76065, 82519, 88605, 91278, 152130, 165038, 177210, 228195, 247557, 412595, 456390, 495114, 742671, 825190, 907709, 1237785, 1485342, 1815418, 2475570, 2723127, 3713355, 4538545, 5446254, 7426710, 8169381, 9077090, 13615635, 16338762, 27231270, 40846905, 81693810]

約数ペア:

[(1, 81693810), (2, 40846905), (3, 27231270), (5, 16338762), (6, 13615635), (9, 9077090), (10, 8169381), (11, 7426710), (15, 5446254), (18, 4538545), (22, 3713355), (30, 2723127), (33, 2475570), (45, 1815418), (55, 1485342), (66, 1237785), (90, 907709), (99, 825190), (110, 742671), (165, 495114), (179, 456390), (198, 412595), (330, 247557), (358, 228195), (461, 177210), (495, 165038), (537, 152130), (895, 91278), (922, 88605), (990, 82519), (1074, 76065), (1383, 59070), (1611, 50710), (1790, 45639), (1969, 41490), (2305, 35442), (2685, 30426), (2766, 29535), (3222, 25355), (3938, 20745), (4149, 19690), (4610, 17721), (5071, 16110), (5370, 15213), (5907, 13830), (6915, 11814), (8055, 10142), (8298, 9845)]