251914320

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16661}}^1$

素因数の和:16690

約数の個数: 160

約数和(自身を含む): 991722240

約数和(自身を除く): 739807920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16661, 33322, 49983, 66644, 83305, 99966, 116627, 133288, 149949, 166610, 199932, 233254, 249915, 266576, 299898, 333220, 349881, 399864, 449847, 466508, 499830, 583135, 599796, 666440, 699762, 749745, 799728, 899694, 933016, 999660, 1049643, 1166270, 1199592, 1332880, 1399524, 1499490, 1749405, 1799388, 1866032, 1999320, 2099286, 2249235, 2332540, 2399184, 2799048, 2998980, 3148929, 3498810, 3598776, 3998640, 4198572, 4498470, 4665080, 5248215, 5598096, 5997960, 6297858, 6997620, 7197552, 8397144, 8996940, 9330160, 10496430, 11995920, 12595716, 13995240, 15744645, 16794288, 17993880, 20992860, 25191432, 27990480, 31489290, 35987760, 41985720, 50382864, 62978580, 83971440, 125957160, 251914320]

約数ペア:

[(1, 251914320), (2, 125957160), (3, 83971440), (4, 62978580), (5, 50382864), (6, 41985720), (7, 35987760), (8, 31489290), (9, 27990480), (10, 25191432), (12, 20992860), (14, 17993880), (15, 16794288), (16, 15744645), (18, 13995240), (20, 12595716), (21, 11995920), (24, 10496430), (27, 9330160), (28, 8996940), (30, 8397144), (35, 7197552), (36, 6997620), (40, 6297858), (42, 5997960), (45, 5598096), (48, 5248215), (54, 4665080), (56, 4498470), (60, 4198572), (63, 3998640), (70, 3598776), (72, 3498810), (80, 3148929), (84, 2998980), (90, 2799048), (105, 2399184), (108, 2332540), (112, 2249235), (120, 2099286), (126, 1999320), (135, 1866032), (140, 1799388), (144, 1749405), (168, 1499490), (180, 1399524), (189, 1332880), (210, 1199592), (216, 1166270), (240, 1049643), (252, 999660), (270, 933016), (280, 899694), (315, 799728), (336, 749745), (360, 699762), (378, 666440), (420, 599796), (432, 583135), (504, 499830), (540, 466508), (560, 449847), (630, 399864), (720, 349881), (756, 333220), (840, 299898), (945, 266576), (1008, 249915), (1080, 233254), (1260, 199932), (1512, 166610), (1680, 149949), (1890, 133288), (2160, 116627), (2520, 99966), (3024, 83305), (3780, 66644), (5040, 49983), (7560, 33322), (15120, 16661)]