74574640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{133169}}^1$

素因数の和:133189

約数の個数: 40

約数和(自身を含む): 198156960

約数和(自身を除く): 123582320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 133169, 266338, 532676, 665845, 932183, 1065352, 1331690, 1864366, 2130704, 2663380, 3728732, 4660915, 5326760, 7457464, 9321830, 10653520, 14914928, 18643660, 37287320, 74574640]

約数ペア:

[(1, 74574640), (2, 37287320), (4, 18643660), (5, 14914928), (7, 10653520), (8, 9321830), (10, 7457464), (14, 5326760), (16, 4660915), (20, 3728732), (28, 2663380), (35, 2130704), (40, 1864366), (56, 1331690), (70, 1065352), (80, 932183), (112, 665845), (140, 532676), (280, 266338), (560, 133169)]