81215561736

素因数分解:

$2^3\times 3^4\times {\mathrm{2539}}^1\times {\mathrm{49363}}^1$

素因数の和:51920

約数の個数: 80

約数和(自身を含む): 227572976400

約数和(自身を除く): 146357414664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 2539, 5078, 7617, 10156, 15234, 20312, 22851, 30468, 45702, 49363, 60936, 68553, 91404, 98726, 137106, 148089, 182808, 197452, 205659, 274212, 296178, 394904, 411318, 444267, 548424, 592356, 822636, 888534, 1184712, 1332801, 1645272, 1777068, 2665602, 3554136, 3998403, 5331204, 7996806, 10662408, 15993612, 31987224, 125332657, 250665314, 375997971, 501330628, 751995942, 1002661256, 1127993913, 1503991884, 2255987826, 3007983768, 3383981739, 4511975652, 6767963478, 9023951304, 10151945217, 13535926956, 20303890434, 27071853912, 40607780868, 81215561736]

約数ペア:

[(1, 81215561736), (2, 40607780868), (3, 27071853912), (4, 20303890434), (6, 13535926956), (8, 10151945217), (9, 9023951304), (12, 6767963478), (18, 4511975652), (24, 3383981739), (27, 3007983768), (36, 2255987826), (54, 1503991884), (72, 1127993913), (81, 1002661256), (108, 751995942), (162, 501330628), (216, 375997971), (324, 250665314), (648, 125332657), (2539, 31987224), (5078, 15993612), (7617, 10662408), (10156, 7996806), (15234, 5331204), (20312, 3998403), (22851, 3554136), (30468, 2665602), (45702, 1777068), (49363, 1645272), (60936, 1332801), (68553, 1184712), (91404, 888534), (98726, 822636), (137106, 592356), (148089, 548424), (182808, 444267), (197452, 411318), (205659, 394904), (274212, 296178)]