30820440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{36691}}^1$

素因数の和:36712

約数の個数: 64

約数和(自身を含む): 105672960

約数和(自身を除く): 74852520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 36691, 73382, 110073, 146764, 183455, 220146, 256837, 293528, 366910, 440292, 513674, 550365, 733820, 770511, 880584, 1027348, 1100730, 1284185, 1467640, 1541022, 2054696, 2201460, 2568370, 3082044, 3852555, 4402920, 5136740, 6164088, 7705110, 10273480, 15410220, 30820440]

約数ペア:

[(1, 30820440), (2, 15410220), (3, 10273480), (4, 7705110), (5, 6164088), (6, 5136740), (7, 4402920), (8, 3852555), (10, 3082044), (12, 2568370), (14, 2201460), (15, 2054696), (20, 1541022), (21, 1467640), (24, 1284185), (28, 1100730), (30, 1027348), (35, 880584), (40, 770511), (42, 733820), (56, 550365), (60, 513674), (70, 440292), (84, 366910), (105, 293528), (120, 256837), (140, 220146), (168, 183455), (210, 146764), (280, 110073), (420, 73382), (840, 36691)]