71312640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 216

約数和(自身を含む): 265638240

約数和(自身を除く): 194325600

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, 379, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 758, 768, 784, 840, 896, 960, 980, 1120, 1137, 1176, 1280, 1344, 1470, 1516, 1568, 1680, 1792, 1895, 1920, 1960, 2240, 2274, 2352, 2653, 2688, 2940, 3032, 3136, 3360, 3790, 3840, 3920, 4480, 4548, 4704, 5306, 5376, 5685, 5880, 6064, 6272, 6720, 7580, 7840, 7959, 8960, 9096, 9408, 10612, 11370, 11760, 12128, 12544, 13265, 13440, 15160, 15680, 15918, 18192, 18571, 18816, 21224, 22740, 23520, 24256, 26530, 26880, 30320, 31360, 31836, 36384, 37142, 37632, 39795, 42448, 45480, 47040, 48512, 53060, 55713, 60640, 62720, 63672, 72768, 74284, 79590, 84896, 90960, 92855, 94080, 97024, 106120, 111426, 121280, 127344, 145536, 148568, 159180, 169792, 181920, 185710, 188160, 212240, 222852, 242560, 254688, 278565, 291072, 297136, 318360, 339584, 363840, 371420, 424480, 445704, 485120, 509376, 557130, 594272, 636720, 679168, 727680, 742840, 848960, 891408, 1018752, 1114260, 1188544, 1273440, 1455360, 1485680, 1697920, 1782816, 2037504, 2228520, 2377088, 2546880, 2971360, 3395840, 3565632, 4457040, 4754176, 5093760, 5942720, 7131264, 8914080, 10187520, 11885440, 14262528, 17828160, 23770880, 35656320, 71312640]

約数ペア:

[(1, 71312640), (2, 35656320), (3, 23770880), (4, 17828160), (5, 14262528), (6, 11885440), (7, 10187520), (8, 8914080), (10, 7131264), (12, 5942720), (14, 5093760), (15, 4754176), (16, 4457040), (20, 3565632), (21, 3395840), (24, 2971360), (28, 2546880), (30, 2377088), (32, 2228520), (35, 2037504), (40, 1782816), (42, 1697920), (48, 1485680), (49, 1455360), (56, 1273440), (60, 1188544), (64, 1114260), (70, 1018752), (80, 891408), (84, 848960), (96, 742840), (98, 727680), (105, 679168), (112, 636720), (120, 594272), (128, 557130), (140, 509376), (147, 485120), (160, 445704), (168, 424480), (192, 371420), (196, 363840), (210, 339584), (224, 318360), (240, 297136), (245, 291072), (256, 278565), (280, 254688), (294, 242560), (320, 222852), (336, 212240), (379, 188160), (384, 185710), (392, 181920), (420, 169792), (448, 159180), (480, 148568), (490, 145536), (560, 127344), (588, 121280), (640, 111426), (672, 106120), (735, 97024), (758, 94080), (768, 92855), (784, 90960), (840, 84896), (896, 79590), (960, 74284), (980, 72768), (1120, 63672), (1137, 62720), (1176, 60640), (1280, 55713), (1344, 53060), (1470, 48512), (1516, 47040), (1568, 45480), (1680, 42448), (1792, 39795), (1895, 37632), (1920, 37142), (1960, 36384), (2240, 31836), (2274, 31360), (2352, 30320), (2653, 26880), (2688, 26530), (2940, 24256), (3032, 23520), (3136, 22740), (3360, 21224), (3790, 18816), (3840, 18571), (3920, 18192), (4480, 15918), (4548, 15680), (4704, 15160), (5306, 13440), (5376, 13265), (5685, 12544), (5880, 12128), (6064, 11760), (6272, 11370), (6720, 10612), (7580, 9408), (7840, 9096), (7959, 8960)]