81285960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96769}}^1$

素因数の和:96790

約数の個数: 64

約数和(自身を含む): 278697600

約数和(自身を除く): 197411640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96769, 193538, 290307, 387076, 483845, 580614, 677383, 774152, 967690, 1161228, 1354766, 1451535, 1935380, 2032149, 2322456, 2709532, 2903070, 3386915, 3870760, 4064298, 5419064, 5806140, 6773830, 8128596, 10160745, 11612280, 13547660, 16257192, 20321490, 27095320, 40642980, 81285960]

約数ペア:

[(1, 81285960), (2, 40642980), (3, 27095320), (4, 20321490), (5, 16257192), (6, 13547660), (7, 11612280), (8, 10160745), (10, 8128596), (12, 6773830), (14, 5806140), (15, 5419064), (20, 4064298), (21, 3870760), (24, 3386915), (28, 2903070), (30, 2709532), (35, 2322456), (40, 2032149), (42, 1935380), (56, 1451535), (60, 1354766), (70, 1161228), (84, 967690), (105, 774152), (120, 677383), (140, 580614), (168, 483845), (210, 387076), (280, 290307), (420, 193538), (840, 96769)]