815340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 2322432

約数和(自身を除く): 1507092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 127, 214, 254, 321, 381, 428, 508, 535, 635, 642, 762, 1070, 1270, 1284, 1524, 1605, 1905, 2140, 2540, 3210, 3810, 6420, 7620, 13589, 27178, 40767, 54356, 67945, 81534, 135890, 163068, 203835, 271780, 407670, 815340]

約数ペア:

[(1, 815340), (2, 407670), (3, 271780), (4, 203835), (5, 163068), (6, 135890), (10, 81534), (12, 67945), (15, 54356), (20, 40767), (30, 27178), (60, 13589), (107, 7620), (127, 6420), (214, 3810), (254, 3210), (321, 2540), (381, 2140), (428, 1905), (508, 1605), (535, 1524), (635, 1284), (642, 1270), (762, 1070)]