251721120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3987

約数の個数: 192

約数和(自身を含む): 954132480

約数和(自身を除く): 702411360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3943, 3990, 4256, 4560, 5320, 6384, 7886, 7980, 9120, 10640, 11829, 12768, 15772, 15960, 19715, 21280, 23658, 27601, 31544, 31920, 39430, 47316, 55202, 59145, 63088, 63840, 74917, 78860, 82803, 94632, 110404, 118290, 126176, 138005, 149834, 157720, 165606, 189264, 220808, 224751, 236580, 276010, 299668, 315440, 331212, 374585, 378528, 414015, 441616, 449502, 473160, 524419, 552020, 599336, 630880, 662424, 749170, 828030, 883232, 899004, 946320, 1048838, 1104040, 1123755, 1198672, 1324848, 1498340, 1573257, 1656060, 1798008, 1892640, 2097676, 2208080, 2247510, 2397344, 2622095, 2649696, 2996680, 3146514, 3312120, 3596016, 4195352, 4416160, 4495020, 5244190, 5993360, 6293028, 6624240, 7192032, 7866285, 8390704, 8990040, 10488380, 11986720, 12586056, 13248480, 15732570, 16781408, 17980080, 20976760, 25172112, 31465140, 35960160, 41953520, 50344224, 62930280, 83907040, 125860560, 251721120]

約数ペア:

[(1, 251721120), (2, 125860560), (3, 83907040), (4, 62930280), (5, 50344224), (6, 41953520), (7, 35960160), (8, 31465140), (10, 25172112), (12, 20976760), (14, 17980080), (15, 16781408), (16, 15732570), (19, 13248480), (20, 12586056), (21, 11986720), (24, 10488380), (28, 8990040), (30, 8390704), (32, 7866285), (35, 7192032), (38, 6624240), (40, 6293028), (42, 5993360), (48, 5244190), (56, 4495020), (57, 4416160), (60, 4195352), (70, 3596016), (76, 3312120), (80, 3146514), (84, 2996680), (95, 2649696), (96, 2622095), (105, 2397344), (112, 2247510), (114, 2208080), (120, 2097676), (133, 1892640), (140, 1798008), (152, 1656060), (160, 1573257), (168, 1498340), (190, 1324848), (210, 1198672), (224, 1123755), (228, 1104040), (240, 1048838), (266, 946320), (280, 899004), (285, 883232), (304, 828030), (336, 749170), (380, 662424), (399, 630880), (420, 599336), (456, 552020), (480, 524419), (532, 473160), (560, 449502), (570, 441616), (608, 414015), (665, 378528), (672, 374585), (760, 331212), (798, 315440), (840, 299668), (912, 276010), (1064, 236580), (1120, 224751), (1140, 220808), (1330, 189264), (1520, 165606), (1596, 157720), (1680, 149834), (1824, 138005), (1995, 126176), (2128, 118290), (2280, 110404), (2660, 94632), (3040, 82803), (3192, 78860), (3360, 74917), (3943, 63840), (3990, 63088), (4256, 59145), (4560, 55202), (5320, 47316), (6384, 39430), (7886, 31920), (7980, 31544), (9120, 27601), (10640, 23658), (11829, 21280), (12768, 19715), (15772, 15960)]