81532440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6863}}^1$

素因数の和:6894

約数の個数: 128

約数和(自身を含む): 296524800

約数和(自身を除く): 214992360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 6863, 11880, 13726, 20589, 27452, 34315, 41178, 54904, 61767, 68630, 75493, 82356, 102945, 123534, 137260, 150986, 164712, 185301, 205890, 226479, 247068, 274520, 301972, 308835, 370602, 377465, 411780, 452958, 494136, 603944, 617670, 679437, 741204, 754930, 823560, 905916, 926505, 1132395, 1235340, 1358874, 1482408, 1509860, 1811832, 1853010, 2038311, 2264790, 2470680, 2717748, 3019720, 3397185, 3706020, 4076622, 4529580, 5435496, 6794370, 7412040, 8153244, 9059160, 10191555, 13588740, 16306488, 20383110, 27177480, 40766220, 81532440]

約数ペア:

[(1, 81532440), (2, 40766220), (3, 27177480), (4, 20383110), (5, 16306488), (6, 13588740), (8, 10191555), (9, 9059160), (10, 8153244), (11, 7412040), (12, 6794370), (15, 5435496), (18, 4529580), (20, 4076622), (22, 3706020), (24, 3397185), (27, 3019720), (30, 2717748), (33, 2470680), (36, 2264790), (40, 2038311), (44, 1853010), (45, 1811832), (54, 1509860), (55, 1482408), (60, 1358874), (66, 1235340), (72, 1132395), (88, 926505), (90, 905916), (99, 823560), (108, 754930), (110, 741204), (120, 679437), (132, 617670), (135, 603944), (165, 494136), (180, 452958), (198, 411780), (216, 377465), (220, 370602), (264, 308835), (270, 301972), (297, 274520), (330, 247068), (360, 226479), (396, 205890), (440, 185301), (495, 164712), (540, 150986), (594, 137260), (660, 123534), (792, 102945), (990, 82356), (1080, 75493), (1188, 68630), (1320, 61767), (1485, 54904), (1980, 41178), (2376, 34315), (2970, 27452), (3960, 20589), (5940, 13726), (6863, 11880)]