87957520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6829}}^1$

素因数の和:6872

約数の個数: 80

約数和(自身を含む): 243912960

約数和(自身を除く): 155955440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6829, 12880, 13658, 27316, 34145, 47803, 54632, 68290, 95606, 109264, 136580, 157067, 191212, 239015, 273160, 314134, 382424, 478030, 546320, 628268, 764848, 785335, 956060, 1099469, 1256536, 1570670, 1912120, 2198938, 2513072, 3141340, 3824240, 4397876, 5497345, 6282680, 8795752, 10994690, 12565360, 17591504, 21989380, 43978760, 87957520]

約数ペア:

[(1, 87957520), (2, 43978760), (4, 21989380), (5, 17591504), (7, 12565360), (8, 10994690), (10, 8795752), (14, 6282680), (16, 5497345), (20, 4397876), (23, 3824240), (28, 3141340), (35, 2513072), (40, 2198938), (46, 1912120), (56, 1570670), (70, 1256536), (80, 1099469), (92, 956060), (112, 785335), (115, 764848), (140, 628268), (161, 546320), (184, 478030), (230, 382424), (280, 314134), (322, 273160), (368, 239015), (460, 191212), (560, 157067), (644, 136580), (805, 109264), (920, 95606), (1288, 68290), (1610, 54632), (1840, 47803), (2576, 34145), (3220, 27316), (6440, 13658), (6829, 12880)]