81629016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 167202984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 107, 114, 133, 152, 168, 214, 228, 239, 266, 321, 399, 428, 456, 478, 532, 642, 717, 749, 798, 856, 956, 1064, 1284, 1434, 1498, 1596, 1673, 1912, 2033, 2247, 2568, 2868, 2996, 3192, 3346, 4066, 4494, 4541, 5019, 5736, 5992, 6099, 6692, 8132, 8988, 9082, 10038, 12198, 13384, 13623, 14231, 16264, 17976, 18164, 20076, 24396, 25573, 27246, 28462, 31787, 36328, 40152, 42693, 48792, 51146, 54492, 56924, 63574, 76719, 85386, 95361, 102292, 108984, 113848, 127148, 153438, 170772, 179011, 190722, 204584, 254296, 306876, 341544, 358022, 381444, 485887, 537033, 613752, 716044, 762888, 971774, 1074066, 1432088, 1457661, 1943548, 2148132, 2915322, 3401209, 3887096, 4296264, 5830644, 6802418, 10203627, 11661288, 13604836, 20407254, 27209672, 40814508, 81629016]

約数ペア:

[(1, 81629016), (2, 40814508), (3, 27209672), (4, 20407254), (6, 13604836), (7, 11661288), (8, 10203627), (12, 6802418), (14, 5830644), (19, 4296264), (21, 3887096), (24, 3401209), (28, 2915322), (38, 2148132), (42, 1943548), (56, 1457661), (57, 1432088), (76, 1074066), (84, 971774), (107, 762888), (114, 716044), (133, 613752), (152, 537033), (168, 485887), (214, 381444), (228, 358022), (239, 341544), (266, 306876), (321, 254296), (399, 204584), (428, 190722), (456, 179011), (478, 170772), (532, 153438), (642, 127148), (717, 113848), (749, 108984), (798, 102292), (856, 95361), (956, 85386), (1064, 76719), (1284, 63574), (1434, 56924), (1498, 54492), (1596, 51146), (1673, 48792), (1912, 42693), (2033, 40152), (2247, 36328), (2568, 31787), (2868, 28462), (2996, 27246), (3192, 25573), (3346, 24396), (4066, 20076), (4494, 18164), (4541, 17976), (5019, 16264), (5736, 14231), (5992, 13623), (6099, 13384), (6692, 12198), (8132, 10038), (8988, 9082)]