51148720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 137044800

約数和(自身を除く): 85896080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 613, 745, 1043, 1192, 1226, 1490, 2086, 2384, 2452, 2980, 3065, 4172, 4291, 4904, 5215, 5960, 6130, 8344, 8582, 9808, 10430, 11920, 12260, 16688, 17164, 20860, 21455, 24520, 34328, 41720, 42910, 49040, 68656, 83440, 85820, 91337, 171640, 182674, 343280, 365348, 456685, 639359, 730696, 913370, 1278718, 1461392, 1826740, 2557436, 3196795, 3653480, 5114872, 6393590, 7306960, 10229744, 12787180, 25574360, 51148720]

約数ペア:

[(1, 51148720), (2, 25574360), (4, 12787180), (5, 10229744), (7, 7306960), (8, 6393590), (10, 5114872), (14, 3653480), (16, 3196795), (20, 2557436), (28, 1826740), (35, 1461392), (40, 1278718), (56, 913370), (70, 730696), (80, 639359), (112, 456685), (140, 365348), (149, 343280), (280, 182674), (298, 171640), (560, 91337), (596, 85820), (613, 83440), (745, 68656), (1043, 49040), (1192, 42910), (1226, 41720), (1490, 34328), (2086, 24520), (2384, 21455), (2452, 20860), (2980, 17164), (3065, 16688), (4172, 12260), (4291, 11920), (4904, 10430), (5215, 9808), (5960, 8582), (6130, 8344)]