81458220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79861}}^1$

素因数の和:79890

約数の個数: 48

約数和(自身を含む): 241502688

約数和(自身を除く): 160044468

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, 79861, 159722, 239583, 319444, 399305, 479166, 798610, 958332, 1197915, 1357637, 1597220, 2395830, 2715274, 4072911, 4791660, 5430548, 6788185, 8145822, 13576370, 16291644, 20364555, 27152740, 40729110, 81458220]

約数ペア:

[(1, 81458220), (2, 40729110), (3, 27152740), (4, 20364555), (5, 16291644), (6, 13576370), (10, 8145822), (12, 6788185), (15, 5430548), (17, 4791660), (20, 4072911), (30, 2715274), (34, 2395830), (51, 1597220), (60, 1357637), (68, 1197915), (85, 958332), (102, 798610), (170, 479166), (204, 399305), (255, 319444), (340, 239583), (510, 159722), (1020, 79861)]