81819025680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1879}}^1\times {\mathrm{25919}}^1$

素因数の和:27821

約数の個数: 160

約数和(自身を含む): 290038579200

約数和(自身を除く): 208219553520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1879, 3758, 5637, 7516, 9395, 11274, 13153, 15032, 18790, 22548, 25919, 26306, 28185, 30064, 37580, 39459, 45096, 51838, 52612, 56370, 65765, 75160, 77757, 78918, 90192, 103676, 105224, 112740, 129595, 131530, 150320, 155514, 157836, 181433, 197295, 207352, 210448, 225480, 259190, 263060, 311028, 315672, 362866, 388785, 394590, 414704, 450960, 518380, 526120, 544299, 622056, 631344, 725732, 777570, 789180, 907165, 1036760, 1052240, 1088598, 1244112, 1451464, 1555140, 1578360, 1814330, 2073520, 2177196, 2721495, 2902928, 3110280, 3156720, 3628660, 4354392, 5442990, 6220560, 7257320, 8708784, 10885980, 14514640, 21771960, 43543920, 48701801, 97403602, 146105403, 194807204, 243509005, 292210806, 340912607, 389614408, 487018010, 584421612, 681825214, 730527015, 779228816, 974036020, 1022737821, 1168843224, 1363650428, 1461054030, 1704563035, 1948072040, 2045475642, 2337686448, 2727300856, 2922108060, 3409126070, 3896144080, 4090951284, 5113689105, 5454601712, 5844216120, 6818252140, 8181902568, 10227378210, 11688432240, 13636504280, 16363805136, 20454756420, 27273008560, 40909512840, 81819025680]

約数ペア:

[(1, 81819025680), (2, 40909512840), (3, 27273008560), (4, 20454756420), (5, 16363805136), (6, 13636504280), (7, 11688432240), (8, 10227378210), (10, 8181902568), (12, 6818252140), (14, 5844216120), (15, 5454601712), (16, 5113689105), (20, 4090951284), (21, 3896144080), (24, 3409126070), (28, 2922108060), (30, 2727300856), (35, 2337686448), (40, 2045475642), (42, 1948072040), (48, 1704563035), (56, 1461054030), (60, 1363650428), (70, 1168843224), (80, 1022737821), (84, 974036020), (105, 779228816), (112, 730527015), (120, 681825214), (140, 584421612), (168, 487018010), (210, 389614408), (240, 340912607), (280, 292210806), (336, 243509005), (420, 194807204), (560, 146105403), (840, 97403602), (1680, 48701801), (1879, 43543920), (3758, 21771960), (5637, 14514640), (7516, 10885980), (9395, 8708784), (11274, 7257320), (13153, 6220560), (15032, 5442990), (18790, 4354392), (22548, 3628660), (25919, 3156720), (26306, 3110280), (28185, 2902928), (30064, 2721495), (37580, 2177196), (39459, 2073520), (45096, 1814330), (51838, 1578360), (52612, 1555140), (56370, 1451464), (65765, 1244112), (75160, 1088598), (77757, 1052240), (78918, 1036760), (90192, 907165), (103676, 789180), (105224, 777570), (112740, 725732), (129595, 631344), (131530, 622056), (150320, 544299), (155514, 526120), (157836, 518380), (181433, 450960), (197295, 414704), (207352, 394590), (210448, 388785), (225480, 362866), (259190, 315672), (263060, 311028)]