85721640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{883}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 257774400

約数和(自身を除く): 172052760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 809, 883, 1618, 1766, 2427, 2649, 3236, 3532, 4045, 4415, 4854, 5298, 6472, 7064, 8090, 8830, 9708, 10596, 12135, 13245, 16180, 17660, 19416, 21192, 24270, 26490, 32360, 35320, 48540, 52980, 97080, 105960, 714347, 1428694, 2143041, 2857388, 3571735, 4286082, 5714776, 7143470, 8572164, 10715205, 14286940, 17144328, 21430410, 28573880, 42860820, 85721640]

約数ペア:

[(1, 85721640), (2, 42860820), (3, 28573880), (4, 21430410), (5, 17144328), (6, 14286940), (8, 10715205), (10, 8572164), (12, 7143470), (15, 5714776), (20, 4286082), (24, 3571735), (30, 2857388), (40, 2143041), (60, 1428694), (120, 714347), (809, 105960), (883, 97080), (1618, 52980), (1766, 48540), (2427, 35320), (2649, 32360), (3236, 26490), (3532, 24270), (4045, 21192), (4415, 19416), (4854, 17660), (5298, 16180), (6472, 13245), (7064, 12135), (8090, 10596), (8830, 9708)]