31470180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74929}}^1$

素因数の和:74948

約数の個数: 48

約数和(自身を含む): 100705920

約数和(自身を除く): 69235740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74929, 149858, 224787, 299716, 374645, 449574, 524503, 749290, 899148, 1049006, 1123935, 1498580, 1573509, 2098012, 2247870, 2622515, 3147018, 4495740, 5245030, 6294036, 7867545, 10490060, 15735090, 31470180]

約数ペア:

[(1, 31470180), (2, 15735090), (3, 10490060), (4, 7867545), (5, 6294036), (6, 5245030), (7, 4495740), (10, 3147018), (12, 2622515), (14, 2247870), (15, 2098012), (20, 1573509), (21, 1498580), (28, 1123935), (30, 1049006), (35, 899148), (42, 749290), (60, 524503), (70, 449574), (84, 374645), (105, 299716), (140, 224787), (210, 149858), (420, 74929)]