1639404900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:840

約数の個数: 288

約数和(自身を含む): 6079610880

約数和(自身を除く): 4440205980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 127, 135, 140, 150, 175, 180, 189, 210, 225, 252, 254, 270, 300, 315, 350, 378, 381, 420, 450, 508, 525, 540, 630, 635, 675, 683, 700, 756, 762, 889, 900, 945, 1050, 1143, 1260, 1270, 1350, 1366, 1524, 1575, 1778, 1890, 1905, 2049, 2100, 2286, 2540, 2667, 2700, 2732, 3150, 3175, 3415, 3429, 3556, 3780, 3810, 4098, 4445, 4572, 4725, 4781, 5334, 5715, 6147, 6300, 6350, 6830, 6858, 7620, 8001, 8196, 8890, 9450, 9525, 9562, 10245, 10668, 11430, 12294, 12700, 13335, 13660, 13716, 14343, 16002, 17075, 17145, 17780, 18441, 18900, 19050, 19124, 20490, 22225, 22860, 23905, 24003, 24588, 26670, 28575, 28686, 30735, 32004, 34150, 34290, 36882, 38100, 40005, 40980, 43029, 44450, 47810, 48006, 51225, 53340, 57150, 57372, 61470, 66675, 68300, 68580, 71715, 73764, 80010, 85725, 86058, 86741, 88900, 92205, 95620, 96012, 102450, 114300, 119525, 120015, 122940, 129087, 133350, 143430, 153675, 160020, 171450, 172116, 173482, 184410, 200025, 204900, 215145, 239050, 240030, 258174, 260223, 266700, 286860, 307350, 342900, 346964, 358575, 368820, 400050, 430290, 433705, 461025, 478100, 480060, 516348, 520446, 600075, 607187, 614700, 645435, 717150, 780669, 800100, 860580, 867410, 922050, 1040892, 1075725, 1200150, 1214374, 1290870, 1301115, 1434300, 1561338, 1734820, 1821561, 1844100, 2151450, 2168525, 2342007, 2400300, 2428748, 2581740, 2602230, 3035935, 3122676, 3227175, 3643122, 3903345, 4302900, 4337050, 4684014, 5204460, 5464683, 6071870, 6454350, 6505575, 7286244, 7806690, 8674100, 9107805, 9368028, 10929366, 11710035, 12143740, 12908700, 13011150, 15179675, 15613380, 16394049, 18215610, 19516725, 21858732, 23420070, 26022300, 27323415, 30359350, 32788098, 36431220, 39033450, 45539025, 46840140, 54646830, 58550175, 60718700, 65576196, 78066900, 81970245, 91078050, 109293660, 117100350, 136617075, 163940490, 182156100, 234200700, 273234150, 327880980, 409851225, 546468300, 819702450, 1639404900]

約数ペア:

[(1, 1639404900), (2, 819702450), (3, 546468300), (4, 409851225), (5, 327880980), (6, 273234150), (7, 234200700), (9, 182156100), (10, 163940490), (12, 136617075), (14, 117100350), (15, 109293660), (18, 91078050), (20, 81970245), (21, 78066900), (25, 65576196), (27, 60718700), (28, 58550175), (30, 54646830), (35, 46840140), (36, 45539025), (42, 39033450), (45, 36431220), (50, 32788098), (54, 30359350), (60, 27323415), (63, 26022300), (70, 23420070), (75, 21858732), (84, 19516725), (90, 18215610), (100, 16394049), (105, 15613380), (108, 15179675), (126, 13011150), (127, 12908700), (135, 12143740), (140, 11710035), (150, 10929366), (175, 9368028), (180, 9107805), (189, 8674100), (210, 7806690), (225, 7286244), (252, 6505575), (254, 6454350), (270, 6071870), (300, 5464683), (315, 5204460), (350, 4684014), (378, 4337050), (381, 4302900), (420, 3903345), (450, 3643122), (508, 3227175), (525, 3122676), (540, 3035935), (630, 2602230), (635, 2581740), (675, 2428748), (683, 2400300), (700, 2342007), (756, 2168525), (762, 2151450), (889, 1844100), (900, 1821561), (945, 1734820), (1050, 1561338), (1143, 1434300), (1260, 1301115), (1270, 1290870), (1350, 1214374), (1366, 1200150), (1524, 1075725), (1575, 1040892), (1778, 922050), (1890, 867410), (1905, 860580), (2049, 800100), (2100, 780669), (2286, 717150), (2540, 645435), (2667, 614700), (2700, 607187), (2732, 600075), (3150, 520446), (3175, 516348), (3415, 480060), (3429, 478100), (3556, 461025), (3780, 433705), (3810, 430290), (4098, 400050), (4445, 368820), (4572, 358575), (4725, 346964), (4781, 342900), (5334, 307350), (5715, 286860), (6147, 266700), (6300, 260223), (6350, 258174), (6830, 240030), (6858, 239050), (7620, 215145), (8001, 204900), (8196, 200025), (8890, 184410), (9450, 173482), (9525, 172116), (9562, 171450), (10245, 160020), (10668, 153675), (11430, 143430), (12294, 133350), (12700, 129087), (13335, 122940), (13660, 120015), (13716, 119525), (14343, 114300), (16002, 102450), (17075, 96012), (17145, 95620), (17780, 92205), (18441, 88900), (18900, 86741), (19050, 86058), (19124, 85725), (20490, 80010), (22225, 73764), (22860, 71715), (23905, 68580), (24003, 68300), (24588, 66675), (26670, 61470), (28575, 57372), (28686, 57150), (30735, 53340), (32004, 51225), (34150, 48006), (34290, 47810), (36882, 44450), (38100, 43029), (40005, 40980)]