1390709280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{2897311}}^1$

素因数の和:2897329

約数の個数: 48

約数和(自身を含む): 4380735744

約数和(自身を除く): 2990026464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 2897311, 5794622, 8691933, 11589244, 14486555, 17383866, 23178488, 28973110, 34767732, 43459665, 46356976, 57946220, 69535464, 86919330, 92713952, 115892440, 139070928, 173838660, 231784880, 278141856, 347677320, 463569760, 695354640, 1390709280]

約数ペア:

[(1, 1390709280), (2, 695354640), (3, 463569760), (4, 347677320), (5, 278141856), (6, 231784880), (8, 173838660), (10, 139070928), (12, 115892440), (15, 92713952), (16, 86919330), (20, 69535464), (24, 57946220), (30, 46356976), (32, 43459665), (40, 34767732), (48, 28973110), (60, 23178488), (80, 17383866), (96, 14486555), (120, 11589244), (160, 8691933), (240, 5794622), (480, 2897311)]