87870720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{467}}^1$

素因数の和:505

約数の個数: 216

約数和(自身を含む): 327154464

約数和(自身を除く): 239283744

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 467, 480, 490, 560, 588, 640, 672, 735, 768, 784, 840, 896, 934, 960, 980, 1120, 1176, 1280, 1344, 1401, 1470, 1568, 1680, 1792, 1868, 1920, 1960, 2240, 2335, 2352, 2688, 2802, 2940, 3136, 3269, 3360, 3736, 3840, 3920, 4480, 4670, 4704, 5376, 5604, 5880, 6272, 6538, 6720, 7005, 7472, 7840, 8960, 9340, 9408, 9807, 11208, 11760, 12544, 13076, 13440, 14010, 14944, 15680, 16345, 18680, 18816, 19614, 22416, 22883, 23520, 26152, 26880, 28020, 29888, 31360, 32690, 37360, 37632, 39228, 44832, 45766, 47040, 49035, 52304, 56040, 59776, 62720, 65380, 68649, 74720, 78456, 89664, 91532, 94080, 98070, 104608, 112080, 114415, 119552, 130760, 137298, 149440, 156912, 179328, 183064, 188160, 196140, 209216, 224160, 228830, 261520, 274596, 298880, 313824, 343245, 358656, 366128, 392280, 418432, 448320, 457660, 523040, 549192, 597760, 627648, 686490, 732256, 784560, 836864, 896640, 915320, 1046080, 1098384, 1255296, 1372980, 1464512, 1569120, 1793280, 1830640, 2092160, 2196768, 2510592, 2745960, 2929024, 3138240, 3661280, 4184320, 4393536, 5491920, 5858048, 6276480, 7322560, 8787072, 10983840, 12552960, 14645120, 17574144, 21967680, 29290240, 43935360, 87870720]

約数ペア:

[(1, 87870720), (2, 43935360), (3, 29290240), (4, 21967680), (5, 17574144), (6, 14645120), (7, 12552960), (8, 10983840), (10, 8787072), (12, 7322560), (14, 6276480), (15, 5858048), (16, 5491920), (20, 4393536), (21, 4184320), (24, 3661280), (28, 3138240), (30, 2929024), (32, 2745960), (35, 2510592), (40, 2196768), (42, 2092160), (48, 1830640), (49, 1793280), (56, 1569120), (60, 1464512), (64, 1372980), (70, 1255296), (80, 1098384), (84, 1046080), (96, 915320), (98, 896640), (105, 836864), (112, 784560), (120, 732256), (128, 686490), (140, 627648), (147, 597760), (160, 549192), (168, 523040), (192, 457660), (196, 448320), (210, 418432), (224, 392280), (240, 366128), (245, 358656), (256, 343245), (280, 313824), (294, 298880), (320, 274596), (336, 261520), (384, 228830), (392, 224160), (420, 209216), (448, 196140), (467, 188160), (480, 183064), (490, 179328), (560, 156912), (588, 149440), (640, 137298), (672, 130760), (735, 119552), (768, 114415), (784, 112080), (840, 104608), (896, 98070), (934, 94080), (960, 91532), (980, 89664), (1120, 78456), (1176, 74720), (1280, 68649), (1344, 65380), (1401, 62720), (1470, 59776), (1568, 56040), (1680, 52304), (1792, 49035), (1868, 47040), (1920, 45766), (1960, 44832), (2240, 39228), (2335, 37632), (2352, 37360), (2688, 32690), (2802, 31360), (2940, 29888), (3136, 28020), (3269, 26880), (3360, 26152), (3736, 23520), (3840, 22883), (3920, 22416), (4480, 19614), (4670, 18816), (4704, 18680), (5376, 16345), (5604, 15680), (5880, 14944), (6272, 14010), (6538, 13440), (6720, 13076), (7005, 12544), (7472, 11760), (7840, 11208), (8960, 9807), (9340, 9408)]