64768560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1279}}^1$

素因数の和:1506

約数の個数: 80

約数和(自身を含む): 201891840

約数和(自身を除く): 137123280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1279, 1688, 2110, 2532, 2558, 3165, 3376, 3837, 4220, 5064, 5116, 6330, 6395, 7674, 8440, 10128, 10232, 12660, 12790, 15348, 16880, 19185, 20464, 25320, 25580, 30696, 38370, 50640, 51160, 61392, 76740, 102320, 153480, 269869, 306960, 539738, 809607, 1079476, 1349345, 1619214, 2158952, 2698690, 3238428, 4048035, 4317904, 5397380, 6476856, 8096070, 10794760, 12953712, 16192140, 21589520, 32384280, 64768560]

約数ペア:

[(1, 64768560), (2, 32384280), (3, 21589520), (4, 16192140), (5, 12953712), (6, 10794760), (8, 8096070), (10, 6476856), (12, 5397380), (15, 4317904), (16, 4048035), (20, 3238428), (24, 2698690), (30, 2158952), (40, 1619214), (48, 1349345), (60, 1079476), (80, 809607), (120, 539738), (211, 306960), (240, 269869), (422, 153480), (633, 102320), (844, 76740), (1055, 61392), (1266, 51160), (1279, 50640), (1688, 38370), (2110, 30696), (2532, 25580), (2558, 25320), (3165, 20464), (3376, 19185), (3837, 16880), (4220, 15348), (5064, 12790), (5116, 12660), (6330, 10232), (6395, 10128), (7674, 8440)]