81114840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1777

約数の個数: 96

約数和(自身を含む): 265683600

約数和(自身を除く): 184568760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 695, 834, 1112, 1251, 1390, 1621, 1668, 2085, 2502, 2780, 3242, 3336, 4170, 4863, 5004, 5560, 6255, 6484, 8105, 8340, 9726, 10008, 12510, 12968, 14589, 16210, 16680, 19452, 24315, 25020, 29178, 32420, 38904, 48630, 50040, 58356, 64840, 72945, 97260, 116712, 145890, 194520, 225319, 291780, 450638, 583560, 675957, 901276, 1126595, 1351914, 1802552, 2027871, 2253190, 2703828, 3379785, 4055742, 4506380, 5407656, 6759570, 8111484, 9012760, 10139355, 13519140, 16222968, 20278710, 27038280, 40557420, 81114840]

約数ペア:

[(1, 81114840), (2, 40557420), (3, 27038280), (4, 20278710), (5, 16222968), (6, 13519140), (8, 10139355), (9, 9012760), (10, 8111484), (12, 6759570), (15, 5407656), (18, 4506380), (20, 4055742), (24, 3379785), (30, 2703828), (36, 2253190), (40, 2027871), (45, 1802552), (60, 1351914), (72, 1126595), (90, 901276), (120, 675957), (139, 583560), (180, 450638), (278, 291780), (360, 225319), (417, 194520), (556, 145890), (695, 116712), (834, 97260), (1112, 72945), (1251, 64840), (1390, 58356), (1621, 50040), (1668, 48630), (2085, 38904), (2502, 32420), (2780, 29178), (3242, 25020), (3336, 24315), (4170, 19452), (4863, 16680), (5004, 16210), (5560, 14589), (6255, 12968), (6484, 12510), (8105, 10008), (8340, 9726)]