12821781180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:1004

約数の個数: 192

約数和(自身を含む): 39242649600

約数和(自身を除く): 26420868420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 195, 218, 239, 260, 327, 390, 436, 478, 545, 631, 654, 717, 780, 956, 1090, 1195, 1262, 1308, 1417, 1434, 1635, 1893, 2180, 2390, 2524, 2834, 2868, 3107, 3155, 3270, 3585, 3786, 4251, 4780, 5668, 6214, 6310, 6540, 7085, 7170, 7572, 8203, 8502, 9321, 9465, 12428, 12620, 14170, 14340, 15535, 16406, 17004, 18642, 18930, 21255, 24609, 26051, 28340, 31070, 32812, 37284, 37860, 41015, 42510, 46605, 49218, 52102, 62140, 68779, 78153, 82030, 85020, 93210, 98436, 104204, 123045, 130255, 137558, 150809, 156306, 164060, 186420, 206337, 246090, 260510, 275116, 301618, 312612, 338663, 343895, 390765, 412674, 452427, 492180, 521020, 603236, 677326, 687790, 754045, 781530, 825348, 894127, 904854, 1015989, 1031685, 1354652, 1375580, 1508090, 1563060, 1693315, 1788254, 1809708, 1960517, 2031978, 2063370, 2262135, 2682381, 3016180, 3386630, 3576508, 3921034, 4063956, 4126740, 4470635, 4524270, 5079945, 5364762, 5881551, 6773260, 7842068, 8941270, 9048540, 9802585, 10159890, 10729524, 11763102, 13411905, 16438181, 17882540, 19605170, 20319780, 23526204, 26823810, 29407755, 32876362, 39210340, 49314543, 53647620, 58815510, 65752724, 82190905, 98629086, 117631020, 164381810, 197258172, 213696353, 246572715, 328763620, 427392706, 493145430, 641089059, 854785412, 986290860, 1068481765, 1282178118, 2136963530, 2564356236, 3205445295, 4273927060, 6410890590, 12821781180]

約数ペア:

[(1, 12821781180), (2, 6410890590), (3, 4273927060), (4, 3205445295), (5, 2564356236), (6, 2136963530), (10, 1282178118), (12, 1068481765), (13, 986290860), (15, 854785412), (20, 641089059), (26, 493145430), (30, 427392706), (39, 328763620), (52, 246572715), (60, 213696353), (65, 197258172), (78, 164381810), (109, 117631020), (130, 98629086), (156, 82190905), (195, 65752724), (218, 58815510), (239, 53647620), (260, 49314543), (327, 39210340), (390, 32876362), (436, 29407755), (478, 26823810), (545, 23526204), (631, 20319780), (654, 19605170), (717, 17882540), (780, 16438181), (956, 13411905), (1090, 11763102), (1195, 10729524), (1262, 10159890), (1308, 9802585), (1417, 9048540), (1434, 8941270), (1635, 7842068), (1893, 6773260), (2180, 5881551), (2390, 5364762), (2524, 5079945), (2834, 4524270), (2868, 4470635), (3107, 4126740), (3155, 4063956), (3270, 3921034), (3585, 3576508), (3786, 3386630), (4251, 3016180), (4780, 2682381), (5668, 2262135), (6214, 2063370), (6310, 2031978), (6540, 1960517), (7085, 1809708), (7170, 1788254), (7572, 1693315), (8203, 1563060), (8502, 1508090), (9321, 1375580), (9465, 1354652), (12428, 1031685), (12620, 1015989), (14170, 904854), (14340, 894127), (15535, 825348), (16406, 781530), (17004, 754045), (18642, 687790), (18930, 677326), (21255, 603236), (24609, 521020), (26051, 492180), (28340, 452427), (31070, 412674), (32812, 390765), (37284, 343895), (37860, 338663), (41015, 312612), (42510, 301618), (46605, 275116), (49218, 260510), (52102, 246090), (62140, 206337), (68779, 186420), (78153, 164060), (82030, 156306), (85020, 150809), (93210, 137558), (98436, 130255), (104204, 123045)]