87444280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 258552000

約数和(自身を除く): 171107720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 89, 110, 116, 121, 140, 145, 154, 178, 203, 220, 232, 242, 280, 290, 308, 319, 356, 385, 406, 440, 445, 484, 580, 605, 616, 623, 638, 712, 770, 812, 847, 890, 968, 979, 1015, 1160, 1210, 1246, 1276, 1540, 1595, 1624, 1694, 1780, 1958, 2030, 2233, 2420, 2492, 2552, 2581, 3080, 3115, 3190, 3388, 3509, 3560, 3916, 4060, 4235, 4466, 4840, 4895, 4984, 5162, 6230, 6380, 6776, 6853, 7018, 7832, 8120, 8470, 8932, 9790, 10324, 10769, 11165, 12460, 12760, 12905, 13706, 14036, 16940, 17545, 17864, 18067, 19580, 20648, 21538, 22330, 24563, 24920, 25810, 27412, 28072, 28391, 33880, 34265, 35090, 36134, 39160, 43076, 44660, 49126, 51620, 53845, 54824, 56782, 68530, 70180, 72268, 75383, 86152, 89320, 90335, 98252, 103240, 107690, 113564, 122815, 137060, 140360, 141955, 144536, 150766, 180670, 196504, 198737, 215380, 227128, 245630, 274120, 283910, 301532, 312301, 361340, 376915, 397474, 430760, 491260, 567820, 603064, 624602, 722680, 753830, 794948, 982520, 993685, 1135640, 1249204, 1507660, 1561505, 1589896, 1987370, 2186107, 2498408, 3015320, 3123010, 3974740, 4372214, 6246020, 7949480, 8744428, 10930535, 12492040, 17488856, 21861070, 43722140, 87444280]

約数ペア:

[(1, 87444280), (2, 43722140), (4, 21861070), (5, 17488856), (7, 12492040), (8, 10930535), (10, 8744428), (11, 7949480), (14, 6246020), (20, 4372214), (22, 3974740), (28, 3123010), (29, 3015320), (35, 2498408), (40, 2186107), (44, 1987370), (55, 1589896), (56, 1561505), (58, 1507660), (70, 1249204), (77, 1135640), (88, 993685), (89, 982520), (110, 794948), (116, 753830), (121, 722680), (140, 624602), (145, 603064), (154, 567820), (178, 491260), (203, 430760), (220, 397474), (232, 376915), (242, 361340), (280, 312301), (290, 301532), (308, 283910), (319, 274120), (356, 245630), (385, 227128), (406, 215380), (440, 198737), (445, 196504), (484, 180670), (580, 150766), (605, 144536), (616, 141955), (623, 140360), (638, 137060), (712, 122815), (770, 113564), (812, 107690), (847, 103240), (890, 98252), (968, 90335), (979, 89320), (1015, 86152), (1160, 75383), (1210, 72268), (1246, 70180), (1276, 68530), (1540, 56782), (1595, 54824), (1624, 53845), (1694, 51620), (1780, 49126), (1958, 44660), (2030, 43076), (2233, 39160), (2420, 36134), (2492, 35090), (2552, 34265), (2581, 33880), (3080, 28391), (3115, 28072), (3190, 27412), (3388, 25810), (3509, 24920), (3560, 24563), (3916, 22330), (4060, 21538), (4235, 20648), (4466, 19580), (4840, 18067), (4895, 17864), (4984, 17545), (5162, 16940), (6230, 14036), (6380, 13706), (6776, 12905), (6853, 12760), (7018, 12460), (7832, 11165), (8120, 10769), (8470, 10324), (8932, 9790)]