1256258520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18661}}^1$

素因数の和:18706

約数の個数: 192

約数和(自身を含む): 4716260640

約数和(自身を除く): 3460002120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 660, 680, 748, 765, 792, 935, 990, 1020, 1122, 1224, 1320, 1496, 1530, 1683, 1870, 1980, 2040, 2244, 2805, 3060, 3366, 3740, 3960, 4488, 5610, 6120, 6732, 7480, 8415, 11220, 13464, 16830, 18661, 22440, 33660, 37322, 55983, 67320, 74644, 93305, 111966, 149288, 167949, 186610, 205271, 223932, 279915, 317237, 335898, 373220, 410542, 447864, 559830, 615813, 634474, 671796, 746440, 821084, 839745, 951711, 1026355, 1119660, 1231626, 1268948, 1343592, 1586185, 1642168, 1679490, 1847439, 1903422, 2052710, 2239320, 2463252, 2537896, 2855133, 3079065, 3172370, 3358980, 3489607, 3694878, 3806844, 4105420, 4758555, 4926504, 5710266, 6158130, 6344740, 6717960, 6979214, 7389756, 7613688, 8210840, 9237195, 9517110, 10468821, 11420532, 12316260, 12689480, 13958428, 14275665, 14779512, 17448035, 18474390, 19034220, 20937642, 22841064, 24632520, 27916856, 28551330, 31406463, 34896070, 36948780, 38068440, 41875284, 52344105, 57102660, 62812926, 69792140, 73897560, 83750568, 104688210, 114205320, 125625852, 139584280, 157032315, 209376420, 251251704, 314064630, 418752840, 628129260, 1256258520]

約数ペア:

[(1, 1256258520), (2, 628129260), (3, 418752840), (4, 314064630), (5, 251251704), (6, 209376420), (8, 157032315), (9, 139584280), (10, 125625852), (11, 114205320), (12, 104688210), (15, 83750568), (17, 73897560), (18, 69792140), (20, 62812926), (22, 57102660), (24, 52344105), (30, 41875284), (33, 38068440), (34, 36948780), (36, 34896070), (40, 31406463), (44, 28551330), (45, 27916856), (51, 24632520), (55, 22841064), (60, 20937642), (66, 19034220), (68, 18474390), (72, 17448035), (85, 14779512), (88, 14275665), (90, 13958428), (99, 12689480), (102, 12316260), (110, 11420532), (120, 10468821), (132, 9517110), (136, 9237195), (153, 8210840), (165, 7613688), (170, 7389756), (180, 6979214), (187, 6717960), (198, 6344740), (204, 6158130), (220, 5710266), (255, 4926504), (264, 4758555), (306, 4105420), (330, 3806844), (340, 3694878), (360, 3489607), (374, 3358980), (396, 3172370), (408, 3079065), (440, 2855133), (495, 2537896), (510, 2463252), (561, 2239320), (612, 2052710), (660, 1903422), (680, 1847439), (748, 1679490), (765, 1642168), (792, 1586185), (935, 1343592), (990, 1268948), (1020, 1231626), (1122, 1119660), (1224, 1026355), (1320, 951711), (1496, 839745), (1530, 821084), (1683, 746440), (1870, 671796), (1980, 634474), (2040, 615813), (2244, 559830), (2805, 447864), (3060, 410542), (3366, 373220), (3740, 335898), (3960, 317237), (4488, 279915), (5610, 223932), (6120, 205271), (6732, 186610), (7480, 167949), (8415, 149288), (11220, 111966), (13464, 93305), (16830, 74644), (18661, 67320), (22440, 55983), (33660, 37322)]