81763290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43261}}^1$

素因数の和:43284

約数の個数: 64

約数和(自身を含む): 249189120

約数和(自身を除く): 167425830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 43261, 86522, 129783, 216305, 259566, 302827, 389349, 432610, 605654, 648915, 778698, 908481, 1168047, 1297830, 1514135, 1816962, 1946745, 2336094, 2725443, 3028270, 3893490, 4542405, 5450886, 5840235, 8176329, 9084810, 11680470, 13627215, 16352658, 27254430, 40881645, 81763290]

約数ペア:

[(1, 81763290), (2, 40881645), (3, 27254430), (5, 16352658), (6, 13627215), (7, 11680470), (9, 9084810), (10, 8176329), (14, 5840235), (15, 5450886), (18, 4542405), (21, 3893490), (27, 3028270), (30, 2725443), (35, 2336094), (42, 1946745), (45, 1816962), (54, 1514135), (63, 1297830), (70, 1168047), (90, 908481), (105, 778698), (126, 648915), (135, 605654), (189, 432610), (210, 389349), (270, 302827), (315, 259566), (378, 216305), (630, 129783), (945, 86522), (1890, 43261)]