81936960

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 224

約数和(自身を含む): 302849280

約数和(自身を除く): 220912320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 89, 96, 105, 112, 120, 137, 140, 160, 168, 178, 192, 210, 224, 240, 267, 274, 280, 320, 336, 356, 411, 420, 445, 448, 480, 534, 548, 560, 623, 672, 685, 712, 822, 840, 890, 959, 960, 1068, 1096, 1120, 1246, 1335, 1344, 1370, 1424, 1644, 1680, 1780, 1869, 1918, 2055, 2136, 2192, 2240, 2492, 2670, 2740, 2848, 2877, 3115, 3288, 3360, 3560, 3738, 3836, 4110, 4272, 4384, 4795, 4984, 5340, 5480, 5696, 5754, 6230, 6576, 6720, 7120, 7476, 7672, 8220, 8544, 8768, 9345, 9590, 9968, 10680, 10960, 11508, 12193, 12460, 13152, 14240, 14385, 14952, 15344, 16440, 17088, 18690, 19180, 19936, 21360, 21920, 23016, 24386, 24920, 26304, 28480, 28770, 29904, 30688, 32880, 36579, 37380, 38360, 39872, 42720, 43840, 46032, 48772, 49840, 57540, 59808, 60965, 61376, 65760, 73158, 74760, 76720, 85351, 85440, 92064, 97544, 99680, 115080, 119616, 121930, 131520, 146316, 149520, 153440, 170702, 182895, 184128, 195088, 199360, 230160, 243860, 256053, 292632, 299040, 306880, 341404, 365790, 390176, 426755, 460320, 487720, 512106, 585264, 598080, 682808, 731580, 780352, 853510, 920640, 975440, 1024212, 1170528, 1280265, 1365616, 1463160, 1707020, 1950880, 2048424, 2341056, 2560530, 2731232, 2926320, 3414040, 3901760, 4096848, 5121060, 5462464, 5852640, 6828080, 8193696, 10242120, 11705280, 13656160, 16387392, 20484240, 27312320, 40968480, 81936960]

約数ペア:

[(1, 81936960), (2, 40968480), (3, 27312320), (4, 20484240), (5, 16387392), (6, 13656160), (7, 11705280), (8, 10242120), (10, 8193696), (12, 6828080), (14, 5852640), (15, 5462464), (16, 5121060), (20, 4096848), (21, 3901760), (24, 3414040), (28, 2926320), (30, 2731232), (32, 2560530), (35, 2341056), (40, 2048424), (42, 1950880), (48, 1707020), (56, 1463160), (60, 1365616), (64, 1280265), (70, 1170528), (80, 1024212), (84, 975440), (89, 920640), (96, 853510), (105, 780352), (112, 731580), (120, 682808), (137, 598080), (140, 585264), (160, 512106), (168, 487720), (178, 460320), (192, 426755), (210, 390176), (224, 365790), (240, 341404), (267, 306880), (274, 299040), (280, 292632), (320, 256053), (336, 243860), (356, 230160), (411, 199360), (420, 195088), (445, 184128), (448, 182895), (480, 170702), (534, 153440), (548, 149520), (560, 146316), (623, 131520), (672, 121930), (685, 119616), (712, 115080), (822, 99680), (840, 97544), (890, 92064), (959, 85440), (960, 85351), (1068, 76720), (1096, 74760), (1120, 73158), (1246, 65760), (1335, 61376), (1344, 60965), (1370, 59808), (1424, 57540), (1644, 49840), (1680, 48772), (1780, 46032), (1869, 43840), (1918, 42720), (2055, 39872), (2136, 38360), (2192, 37380), (2240, 36579), (2492, 32880), (2670, 30688), (2740, 29904), (2848, 28770), (2877, 28480), (3115, 26304), (3288, 24920), (3360, 24386), (3560, 23016), (3738, 21920), (3836, 21360), (4110, 19936), (4272, 19180), (4384, 18690), (4795, 17088), (4984, 16440), (5340, 15344), (5480, 14952), (5696, 14385), (5754, 14240), (6230, 13152), (6576, 12460), (6720, 12193), (7120, 11508), (7476, 10960), (7672, 10680), (8220, 9968), (8544, 9590), (8768, 9345)]