638705520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 320

約数和(自身を含む): 2356992000

約数和(自身を除く): 1718286480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 79, 80, 90, 95, 108, 114, 120, 135, 144, 152, 158, 171, 180, 190, 197, 216, 228, 237, 240, 270, 285, 304, 316, 342, 360, 380, 394, 395, 432, 456, 474, 513, 540, 570, 591, 632, 684, 711, 720, 760, 788, 790, 855, 912, 948, 985, 1026, 1080, 1140, 1182, 1185, 1264, 1368, 1422, 1501, 1520, 1576, 1580, 1710, 1773, 1896, 1970, 2052, 2133, 2160, 2280, 2364, 2370, 2565, 2736, 2844, 2955, 3002, 3152, 3160, 3420, 3546, 3555, 3743, 3792, 3940, 4104, 4266, 4503, 4560, 4728, 4740, 5130, 5319, 5688, 5910, 6004, 6320, 6840, 7092, 7110, 7486, 7505, 7880, 8208, 8532, 8865, 9006, 9456, 9480, 10260, 10638, 10665, 11229, 11376, 11820, 12008, 13509, 13680, 14184, 14220, 14972, 15010, 15563, 15760, 17064, 17730, 18012, 18715, 18960, 20520, 21276, 21330, 22458, 22515, 23640, 24016, 26595, 27018, 28368, 28440, 29944, 30020, 31126, 33687, 34128, 35460, 36024, 37430, 40527, 41040, 42552, 42660, 44916, 45030, 46689, 47280, 53190, 54036, 56145, 56880, 59888, 60040, 62252, 67374, 67545, 70920, 72048, 74860, 77815, 81054, 85104, 85320, 89832, 90060, 93378, 101061, 106380, 108072, 112290, 120080, 124504, 134748, 135090, 140067, 141840, 149720, 155630, 162108, 168435, 170640, 179664, 180120, 186756, 202122, 202635, 212760, 216144, 224580, 233445, 249008, 269496, 270180, 280134, 295697, 299440, 311260, 324216, 336870, 360240, 373512, 404244, 405270, 420201, 425520, 449160, 466890, 505305, 538992, 540360, 560268, 591394, 622520, 648432, 673740, 700335, 747024, 808488, 810540, 840402, 887091, 898320, 933780, 1010610, 1080720, 1120536, 1182788, 1245040, 1347480, 1400670, 1478485, 1616976, 1621080, 1680804, 1774182, 1867560, 2021220, 2101005, 2241072, 2365576, 2661273, 2694960, 2801340, 2956970, 3242160, 3361608, 3548364, 3735120, 4042440, 4202010, 4435455, 4731152, 5322546, 5602680, 5913940, 6723216, 7096728, 7983819, 8084880, 8404020, 8870910, 10645092, 11205360, 11827880, 13306365, 14193456, 15967638, 16808040, 17741820, 21290184, 23655760, 26612730, 31935276, 33616080, 35483640, 39919095, 42580368, 53225460, 63870552, 70967280, 79838190, 106450920, 127741104, 159676380, 212901840, 319352760, 638705520]

約数ペア:

[(1, 638705520), (2, 319352760), (3, 212901840), (4, 159676380), (5, 127741104), (6, 106450920), (8, 79838190), (9, 70967280), (10, 63870552), (12, 53225460), (15, 42580368), (16, 39919095), (18, 35483640), (19, 33616080), (20, 31935276), (24, 26612730), (27, 23655760), (30, 21290184), (36, 17741820), (38, 16808040), (40, 15967638), (45, 14193456), (48, 13306365), (54, 11827880), (57, 11205360), (60, 10645092), (72, 8870910), (76, 8404020), (79, 8084880), (80, 7983819), (90, 7096728), (95, 6723216), (108, 5913940), (114, 5602680), (120, 5322546), (135, 4731152), (144, 4435455), (152, 4202010), (158, 4042440), (171, 3735120), (180, 3548364), (190, 3361608), (197, 3242160), (216, 2956970), (228, 2801340), (237, 2694960), (240, 2661273), (270, 2365576), (285, 2241072), (304, 2101005), (316, 2021220), (342, 1867560), (360, 1774182), (380, 1680804), (394, 1621080), (395, 1616976), (432, 1478485), (456, 1400670), (474, 1347480), (513, 1245040), (540, 1182788), (570, 1120536), (591, 1080720), (632, 1010610), (684, 933780), (711, 898320), (720, 887091), (760, 840402), (788, 810540), (790, 808488), (855, 747024), (912, 700335), (948, 673740), (985, 648432), (1026, 622520), (1080, 591394), (1140, 560268), (1182, 540360), (1185, 538992), (1264, 505305), (1368, 466890), (1422, 449160), (1501, 425520), (1520, 420201), (1576, 405270), (1580, 404244), (1710, 373512), (1773, 360240), (1896, 336870), (1970, 324216), (2052, 311260), (2133, 299440), (2160, 295697), (2280, 280134), (2364, 270180), (2370, 269496), (2565, 249008), (2736, 233445), (2844, 224580), (2955, 216144), (3002, 212760), (3152, 202635), (3160, 202122), (3420, 186756), (3546, 180120), (3555, 179664), (3743, 170640), (3792, 168435), (3940, 162108), (4104, 155630), (4266, 149720), (4503, 141840), (4560, 140067), (4728, 135090), (4740, 134748), (5130, 124504), (5319, 120080), (5688, 112290), (5910, 108072), (6004, 106380), (6320, 101061), (6840, 93378), (7092, 90060), (7110, 89832), (7486, 85320), (7505, 85104), (7880, 81054), (8208, 77815), (8532, 74860), (8865, 72048), (9006, 70920), (9456, 67545), (9480, 67374), (10260, 62252), (10638, 60040), (10665, 59888), (11229, 56880), (11376, 56145), (11820, 54036), (12008, 53190), (13509, 47280), (13680, 46689), (14184, 45030), (14220, 44916), (14972, 42660), (15010, 42552), (15563, 41040), (15760, 40527), (17064, 37430), (17730, 36024), (18012, 35460), (18715, 34128), (18960, 33687), (20520, 31126), (21276, 30020), (21330, 29944), (22458, 28440), (22515, 28368), (23640, 27018), (24016, 26595)]