81409260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79813}}^1$

素因数の和:79842

約数の個数: 48

約数和(自身を含む): 241357536

約数和(自身を除く): 159948276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79813, 159626, 239439, 319252, 399065, 478878, 798130, 957756, 1197195, 1356821, 1596260, 2394390, 2713642, 4070463, 4788780, 5427284, 6784105, 8140926, 13568210, 16281852, 20352315, 27136420, 40704630, 81409260]

約数ペア:

[(1, 81409260), (2, 40704630), (3, 27136420), (4, 20352315), (5, 16281852), (6, 13568210), (10, 8140926), (12, 6784105), (15, 5427284), (17, 4788780), (20, 4070463), (30, 2713642), (34, 2394390), (51, 1596260), (60, 1356821), (68, 1197195), (85, 957756), (102, 798130), (170, 478878), (204, 399065), (255, 319252), (340, 239439), (510, 159626), (1020, 79813)]