639228240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:727

約数の個数: 320

約数和(自身を含む): 2557931520

約数和(自身を除く): 1918703280

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, 67, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 134, 135, 140, 144, 168, 180, 189, 201, 210, 216, 240, 252, 268, 270, 280, 315, 335, 336, 360, 378, 402, 420, 432, 469, 504, 536, 540, 560, 603, 630, 631, 670, 720, 756, 804, 840, 938, 945, 1005, 1008, 1072, 1080, 1206, 1260, 1262, 1340, 1407, 1512, 1608, 1680, 1809, 1876, 1890, 1893, 2010, 2160, 2345, 2412, 2520, 2524, 2680, 2814, 3015, 3024, 3155, 3216, 3618, 3752, 3780, 3786, 4020, 4221, 4417, 4690, 4824, 5040, 5048, 5360, 5628, 5679, 6030, 6310, 7035, 7236, 7504, 7560, 7572, 8040, 8442, 8834, 9045, 9380, 9465, 9648, 10096, 11256, 11358, 12060, 12620, 12663, 13251, 14070, 14472, 15120, 15144, 16080, 16884, 17037, 17668, 18090, 18760, 18930, 21105, 22085, 22512, 22716, 24120, 25240, 25326, 26502, 28140, 28395, 28944, 30288, 33768, 34074, 35336, 36180, 37520, 37860, 39753, 42210, 42277, 44170, 45432, 48240, 50480, 50652, 53004, 56280, 56790, 63315, 66255, 67536, 68148, 70672, 72360, 75720, 79506, 84420, 84554, 85185, 88340, 90864, 101304, 106008, 112560, 113580, 119259, 126630, 126831, 132510, 136296, 144720, 151440, 159012, 168840, 169108, 170370, 176680, 198765, 202608, 211385, 212016, 227160, 238518, 253260, 253662, 265020, 272592, 295939, 318024, 337680, 338216, 340740, 353360, 380493, 397530, 422770, 454320, 477036, 506520, 507324, 530040, 591878, 596295, 634155, 636048, 676432, 681480, 760986, 795060, 845540, 887817, 954072, 1013040, 1014648, 1060080, 1141479, 1183756, 1192590, 1268310, 1362960, 1479695, 1521972, 1590120, 1691080, 1775634, 1902465, 1908144, 2029296, 2282958, 2367512, 2385180, 2536620, 2663451, 2959390, 3043944, 3180240, 3382160, 3551268, 3804930, 4439085, 4565916, 4735024, 4770360, 5073240, 5326902, 5707395, 5918780, 6087888, 7102536, 7609860, 7990353, 8878170, 9131832, 9540720, 10146480, 10653804, 11414790, 11837560, 13317255, 14205072, 15219720, 15980706, 17756340, 18263664, 21307608, 22829580, 23675120, 26634510, 30439440, 31961412, 35512680, 39951765, 42615216, 45659160, 53269020, 63922824, 71025360, 79903530, 91318320, 106538040, 127845648, 159807060, 213076080, 319614120, 639228240]

約数ペア:

[(1, 639228240), (2, 319614120), (3, 213076080), (4, 159807060), (5, 127845648), (6, 106538040), (7, 91318320), (8, 79903530), (9, 71025360), (10, 63922824), (12, 53269020), (14, 45659160), (15, 42615216), (16, 39951765), (18, 35512680), (20, 31961412), (21, 30439440), (24, 26634510), (27, 23675120), (28, 22829580), (30, 21307608), (35, 18263664), (36, 17756340), (40, 15980706), (42, 15219720), (45, 14205072), (48, 13317255), (54, 11837560), (56, 11414790), (60, 10653804), (63, 10146480), (67, 9540720), (70, 9131832), (72, 8878170), (80, 7990353), (84, 7609860), (90, 7102536), (105, 6087888), (108, 5918780), (112, 5707395), (120, 5326902), (126, 5073240), (134, 4770360), (135, 4735024), (140, 4565916), (144, 4439085), (168, 3804930), (180, 3551268), (189, 3382160), (201, 3180240), (210, 3043944), (216, 2959390), (240, 2663451), (252, 2536620), (268, 2385180), (270, 2367512), (280, 2282958), (315, 2029296), (335, 1908144), (336, 1902465), (360, 1775634), (378, 1691080), (402, 1590120), (420, 1521972), (432, 1479695), (469, 1362960), (504, 1268310), (536, 1192590), (540, 1183756), (560, 1141479), (603, 1060080), (630, 1014648), (631, 1013040), (670, 954072), (720, 887817), (756, 845540), (804, 795060), (840, 760986), (938, 681480), (945, 676432), (1005, 636048), (1008, 634155), (1072, 596295), (1080, 591878), (1206, 530040), (1260, 507324), (1262, 506520), (1340, 477036), (1407, 454320), (1512, 422770), (1608, 397530), (1680, 380493), (1809, 353360), (1876, 340740), (1890, 338216), (1893, 337680), (2010, 318024), (2160, 295939), (2345, 272592), (2412, 265020), (2520, 253662), (2524, 253260), (2680, 238518), (2814, 227160), (3015, 212016), (3024, 211385), (3155, 202608), (3216, 198765), (3618, 176680), (3752, 170370), (3780, 169108), (3786, 168840), (4020, 159012), (4221, 151440), (4417, 144720), (4690, 136296), (4824, 132510), (5040, 126831), (5048, 126630), (5360, 119259), (5628, 113580), (5679, 112560), (6030, 106008), (6310, 101304), (7035, 90864), (7236, 88340), (7504, 85185), (7560, 84554), (7572, 84420), (8040, 79506), (8442, 75720), (8834, 72360), (9045, 70672), (9380, 68148), (9465, 67536), (9648, 66255), (10096, 63315), (11256, 56790), (11358, 56280), (12060, 53004), (12620, 50652), (12663, 50480), (13251, 48240), (14070, 45432), (14472, 44170), (15120, 42277), (15144, 42210), (16080, 39753), (16884, 37860), (17037, 37520), (17668, 36180), (18090, 35336), (18760, 34074), (18930, 33768), (21105, 30288), (22085, 28944), (22512, 28395), (22716, 28140), (24120, 26502), (25240, 25326)]