1621440240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 320

約数和(自身を含む): 6132940800

約数和(自身を除く): 4511500560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 79, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 158, 168, 190, 210, 228, 237, 240, 266, 280, 285, 304, 316, 336, 380, 395, 399, 420, 456, 474, 532, 553, 560, 570, 632, 643, 665, 760, 790, 798, 840, 912, 948, 1064, 1106, 1140, 1185, 1264, 1286, 1330, 1501, 1520, 1580, 1596, 1659, 1680, 1896, 1929, 1995, 2128, 2212, 2280, 2370, 2572, 2660, 2765, 3002, 3160, 3192, 3215, 3318, 3792, 3858, 3990, 4424, 4501, 4503, 4560, 4740, 5144, 5320, 5530, 6004, 6320, 6384, 6430, 6636, 7505, 7716, 7980, 8295, 8848, 9002, 9006, 9480, 9645, 10288, 10507, 10640, 11060, 12008, 12217, 12860, 13272, 13503, 15010, 15432, 15960, 16590, 18004, 18012, 18960, 19290, 21014, 22120, 22505, 22515, 24016, 24434, 25720, 26544, 27006, 30020, 30864, 31521, 31920, 33180, 36008, 36024, 36651, 38580, 42028, 44240, 45010, 45030, 48868, 50797, 51440, 52535, 54012, 60040, 61085, 63042, 66360, 67515, 72016, 72048, 73302, 77160, 84056, 85519, 90020, 90060, 97736, 101594, 105070, 108024, 120080, 122170, 126084, 132720, 135030, 146604, 152391, 154320, 157605, 168112, 171038, 180040, 180120, 183255, 195472, 203188, 210140, 216048, 244340, 252168, 253985, 256557, 270060, 293208, 304782, 315210, 342076, 355579, 360080, 360240, 366510, 406376, 420280, 427595, 488680, 504336, 507970, 513114, 540120, 586416, 609564, 630420, 684152, 711158, 733020, 761955, 812752, 840560, 855190, 965143, 977360, 1015940, 1026228, 1066737, 1080240, 1219128, 1260840, 1282785, 1368304, 1422316, 1466040, 1523910, 1710380, 1777895, 1930286, 2031880, 2052456, 2133474, 2438256, 2521680, 2565570, 2844632, 2895429, 2932080, 3047820, 3420760, 3555790, 3860572, 4063760, 4104912, 4266948, 4825715, 5131140, 5333685, 5689264, 5790858, 6095640, 6756001, 6841520, 7111580, 7721144, 8533896, 9651430, 10262280, 10667370, 11581716, 12191280, 13512002, 14223160, 14477145, 15442288, 17067792, 19302860, 20268003, 20524560, 21334740, 23163432, 27024004, 28446320, 28954290, 33780005, 38605720, 40536006, 42669480, 46326864, 54048008, 57908580, 67560010, 77211440, 81072012, 85338960, 101340015, 108096016, 115817160, 135120020, 162144024, 202680030, 231634320, 270240040, 324288048, 405360060, 540480080, 810720120, 1621440240]

約数ペア:

[(1, 1621440240), (2, 810720120), (3, 540480080), (4, 405360060), (5, 324288048), (6, 270240040), (7, 231634320), (8, 202680030), (10, 162144024), (12, 135120020), (14, 115817160), (15, 108096016), (16, 101340015), (19, 85338960), (20, 81072012), (21, 77211440), (24, 67560010), (28, 57908580), (30, 54048008), (35, 46326864), (38, 42669480), (40, 40536006), (42, 38605720), (48, 33780005), (56, 28954290), (57, 28446320), (60, 27024004), (70, 23163432), (76, 21334740), (79, 20524560), (80, 20268003), (84, 19302860), (95, 17067792), (105, 15442288), (112, 14477145), (114, 14223160), (120, 13512002), (133, 12191280), (140, 11581716), (152, 10667370), (158, 10262280), (168, 9651430), (190, 8533896), (210, 7721144), (228, 7111580), (237, 6841520), (240, 6756001), (266, 6095640), (280, 5790858), (285, 5689264), (304, 5333685), (316, 5131140), (336, 4825715), (380, 4266948), (395, 4104912), (399, 4063760), (420, 3860572), (456, 3555790), (474, 3420760), (532, 3047820), (553, 2932080), (560, 2895429), (570, 2844632), (632, 2565570), (643, 2521680), (665, 2438256), (760, 2133474), (790, 2052456), (798, 2031880), (840, 1930286), (912, 1777895), (948, 1710380), (1064, 1523910), (1106, 1466040), (1140, 1422316), (1185, 1368304), (1264, 1282785), (1286, 1260840), (1330, 1219128), (1501, 1080240), (1520, 1066737), (1580, 1026228), (1596, 1015940), (1659, 977360), (1680, 965143), (1896, 855190), (1929, 840560), (1995, 812752), (2128, 761955), (2212, 733020), (2280, 711158), (2370, 684152), (2572, 630420), (2660, 609564), (2765, 586416), (3002, 540120), (3160, 513114), (3192, 507970), (3215, 504336), (3318, 488680), (3792, 427595), (3858, 420280), (3990, 406376), (4424, 366510), (4501, 360240), (4503, 360080), (4560, 355579), (4740, 342076), (5144, 315210), (5320, 304782), (5530, 293208), (6004, 270060), (6320, 256557), (6384, 253985), (6430, 252168), (6636, 244340), (7505, 216048), (7716, 210140), (7980, 203188), (8295, 195472), (8848, 183255), (9002, 180120), (9006, 180040), (9480, 171038), (9645, 168112), (10288, 157605), (10507, 154320), (10640, 152391), (11060, 146604), (12008, 135030), (12217, 132720), (12860, 126084), (13272, 122170), (13503, 120080), (15010, 108024), (15432, 105070), (15960, 101594), (16590, 97736), (18004, 90060), (18012, 90020), (18960, 85519), (19290, 84056), (21014, 77160), (22120, 73302), (22505, 72048), (22515, 72016), (24016, 67515), (24434, 66360), (25720, 63042), (26544, 61085), (27006, 60040), (30020, 54012), (30864, 52535), (31521, 51440), (31920, 50797), (33180, 48868), (36008, 45030), (36024, 45010), (36651, 44240), (38580, 42028)]