65544760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 153954720

約数和(自身を除く): 88409960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 67, 74, 134, 148, 185, 268, 296, 335, 370, 536, 661, 670, 740, 1322, 1340, 1480, 2479, 2644, 2680, 3305, 4958, 5288, 6610, 9916, 12395, 13220, 19832, 24457, 24790, 26440, 44287, 48914, 49580, 88574, 97828, 99160, 122285, 177148, 195656, 221435, 244570, 354296, 442870, 489140, 885740, 978280, 1638619, 1771480, 3277238, 6554476, 8193095, 13108952, 16386190, 32772380, 65544760]

約数ペア:

[(1, 65544760), (2, 32772380), (4, 16386190), (5, 13108952), (8, 8193095), (10, 6554476), (20, 3277238), (37, 1771480), (40, 1638619), (67, 978280), (74, 885740), (134, 489140), (148, 442870), (185, 354296), (268, 244570), (296, 221435), (335, 195656), (370, 177148), (536, 122285), (661, 99160), (670, 97828), (740, 88574), (1322, 49580), (1340, 48914), (1480, 44287), (2479, 26440), (2644, 24790), (2680, 24457), (3305, 19832), (4958, 13220), (5288, 12395), (6610, 9916)]