641655840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^2$

素因数の和:109

約数の個数: 432

約数和(自身を含む): 2548542528

約数和(自身を除く): 1906886688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 23, 24, 28, 30, 32, 35, 38, 40, 42, 46, 48, 56, 57, 60, 69, 70, 76, 80, 84, 92, 95, 96, 105, 112, 114, 115, 120, 133, 138, 140, 152, 160, 161, 168, 184, 190, 210, 224, 228, 230, 240, 266, 276, 280, 285, 304, 322, 336, 345, 361, 368, 380, 399, 420, 437, 456, 460, 480, 483, 529, 532, 552, 560, 570, 608, 644, 665, 672, 690, 722, 736, 760, 798, 805, 840, 874, 912, 920, 966, 1058, 1064, 1083, 1104, 1120, 1140, 1288, 1311, 1330, 1380, 1444, 1520, 1587, 1596, 1610, 1680, 1748, 1805, 1824, 1840, 1932, 1995, 2116, 2128, 2166, 2185, 2208, 2280, 2415, 2527, 2576, 2622, 2645, 2660, 2760, 2888, 3040, 3059, 3174, 3192, 3220, 3360, 3496, 3610, 3680, 3703, 3864, 3990, 4232, 4256, 4332, 4370, 4560, 4830, 5054, 5152, 5244, 5290, 5320, 5415, 5520, 5776, 6118, 6348, 6384, 6440, 6555, 6992, 7220, 7406, 7581, 7728, 7935, 7980, 8303, 8464, 8664, 8740, 9120, 9177, 9660, 10051, 10108, 10488, 10580, 10640, 10830, 11040, 11109, 11552, 12236, 12635, 12696, 12768, 12880, 13110, 13984, 14440, 14812, 15162, 15295, 15456, 15870, 15960, 16606, 16928, 17328, 17480, 18354, 18515, 19320, 20102, 20216, 20976, 21160, 21280, 21660, 22218, 24472, 24909, 25270, 25392, 25760, 26220, 28880, 29624, 30153, 30324, 30590, 31740, 31920, 33212, 34656, 34960, 36708, 37030, 37905, 38640, 40204, 40432, 41515, 41952, 42320, 43320, 44436, 45885, 48944, 49818, 50255, 50540, 50784, 52440, 55545, 57760, 58121, 59248, 60306, 60648, 61180, 63480, 63840, 66424, 69920, 70357, 73416, 74060, 75810, 77280, 80408, 80864, 83030, 84640, 86640, 88872, 91770, 97888, 99636, 100510, 101080, 104880, 111090, 116242, 118496, 120612, 121296, 122360, 124545, 126960, 132848, 140714, 146832, 148120, 150765, 151620, 160816, 166060, 173280, 174363, 177744, 183540, 190969, 199272, 201020, 202160, 209760, 211071, 222180, 232484, 241224, 242592, 244720, 249090, 253920, 265696, 281428, 290605, 293664, 296240, 301530, 303240, 321632, 332120, 348726, 351785, 355488, 367080, 381938, 398544, 402040, 404320, 422142, 444360, 464968, 482448, 489440, 498180, 562856, 572907, 581210, 592480, 603060, 606480, 664240, 697452, 703570, 734160, 763876, 797088, 804080, 844284, 871815, 888720, 929936, 954845, 964896, 996360, 1055355, 1125712, 1145814, 1162420, 1206120, 1212960, 1328480, 1336783, 1394904, 1407140, 1468320, 1527752, 1608160, 1688568, 1743630, 1777440, 1859872, 1909690, 1992720, 2110710, 2251424, 2291628, 2324840, 2412240, 2673566, 2789808, 2814280, 2864535, 3055504, 3377136, 3487260, 3819380, 3985440, 4010349, 4221420, 4583256, 4649680, 4824480, 5347132, 5579616, 5628560, 5729070, 6111008, 6683915, 6754272, 6974520, 7638760, 8020698, 8442840, 9166512, 9299360, 10694264, 11257120, 11458140, 13367830, 13949040, 15277520, 16041396, 16885680, 18333024, 20051745, 21388528, 22916280, 26735660, 27898080, 30555040, 32082792, 33771360, 40103490, 42777056, 45832560, 53471320, 64165584, 80206980, 91665120, 106942640, 128331168, 160413960, 213885280, 320827920, 641655840]

約数ペア:

[(1, 641655840), (2, 320827920), (3, 213885280), (4, 160413960), (5, 128331168), (6, 106942640), (7, 91665120), (8, 80206980), (10, 64165584), (12, 53471320), (14, 45832560), (15, 42777056), (16, 40103490), (19, 33771360), (20, 32082792), (21, 30555040), (23, 27898080), (24, 26735660), (28, 22916280), (30, 21388528), (32, 20051745), (35, 18333024), (38, 16885680), (40, 16041396), (42, 15277520), (46, 13949040), (48, 13367830), (56, 11458140), (57, 11257120), (60, 10694264), (69, 9299360), (70, 9166512), (76, 8442840), (80, 8020698), (84, 7638760), (92, 6974520), (95, 6754272), (96, 6683915), (105, 6111008), (112, 5729070), (114, 5628560), (115, 5579616), (120, 5347132), (133, 4824480), (138, 4649680), (140, 4583256), (152, 4221420), (160, 4010349), (161, 3985440), (168, 3819380), (184, 3487260), (190, 3377136), (210, 3055504), (224, 2864535), (228, 2814280), (230, 2789808), (240, 2673566), (266, 2412240), (276, 2324840), (280, 2291628), (285, 2251424), (304, 2110710), (322, 1992720), (336, 1909690), (345, 1859872), (361, 1777440), (368, 1743630), (380, 1688568), (399, 1608160), (420, 1527752), (437, 1468320), (456, 1407140), (460, 1394904), (480, 1336783), (483, 1328480), (529, 1212960), (532, 1206120), (552, 1162420), (560, 1145814), (570, 1125712), (608, 1055355), (644, 996360), (665, 964896), (672, 954845), (690, 929936), (722, 888720), (736, 871815), (760, 844284), (798, 804080), (805, 797088), (840, 763876), (874, 734160), (912, 703570), (920, 697452), (966, 664240), (1058, 606480), (1064, 603060), (1083, 592480), (1104, 581210), (1120, 572907), (1140, 562856), (1288, 498180), (1311, 489440), (1330, 482448), (1380, 464968), (1444, 444360), (1520, 422142), (1587, 404320), (1596, 402040), (1610, 398544), (1680, 381938), (1748, 367080), (1805, 355488), (1824, 351785), (1840, 348726), (1932, 332120), (1995, 321632), (2116, 303240), (2128, 301530), (2166, 296240), (2185, 293664), (2208, 290605), (2280, 281428), (2415, 265696), (2527, 253920), (2576, 249090), (2622, 244720), (2645, 242592), (2660, 241224), (2760, 232484), (2888, 222180), (3040, 211071), (3059, 209760), (3174, 202160), (3192, 201020), (3220, 199272), (3360, 190969), (3496, 183540), (3610, 177744), (3680, 174363), (3703, 173280), (3864, 166060), (3990, 160816), (4232, 151620), (4256, 150765), (4332, 148120), (4370, 146832), (4560, 140714), (4830, 132848), (5054, 126960), (5152, 124545), (5244, 122360), (5290, 121296), (5320, 120612), (5415, 118496), (5520, 116242), (5776, 111090), (6118, 104880), (6348, 101080), (6384, 100510), (6440, 99636), (6555, 97888), (6992, 91770), (7220, 88872), (7406, 86640), (7581, 84640), (7728, 83030), (7935, 80864), (7980, 80408), (8303, 77280), (8464, 75810), (8664, 74060), (8740, 73416), (9120, 70357), (9177, 69920), (9660, 66424), (10051, 63840), (10108, 63480), (10488, 61180), (10580, 60648), (10640, 60306), (10830, 59248), (11040, 58121), (11109, 57760), (11552, 55545), (12236, 52440), (12635, 50784), (12696, 50540), (12768, 50255), (12880, 49818), (13110, 48944), (13984, 45885), (14440, 44436), (14812, 43320), (15162, 42320), (15295, 41952), (15456, 41515), (15870, 40432), (15960, 40204), (16606, 38640), (16928, 37905), (17328, 37030), (17480, 36708), (18354, 34960), (18515, 34656), (19320, 33212), (20102, 31920), (20216, 31740), (20976, 30590), (21160, 30324), (21280, 30153), (21660, 29624), (22218, 28880), (24472, 26220), (24909, 25760), (25270, 25392)]