72107420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6689}}^1$

素因数の和:6723

約数の個数: 72

約数和(自身を含む): 192190320

約数和(自身を除く): 120082900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6689, 10780, 13378, 26756, 33445, 46823, 66890, 73579, 93646, 133780, 147158, 187292, 234115, 294316, 327761, 367895, 468230, 515053, 655522, 735790, 936460, 1030106, 1311044, 1471580, 1638805, 2060212, 2575265, 3277610, 3605371, 5150530, 6555220, 7210742, 10301060, 14421484, 18026855, 36053710, 72107420]

約数ペア:

[(1, 72107420), (2, 36053710), (4, 18026855), (5, 14421484), (7, 10301060), (10, 7210742), (11, 6555220), (14, 5150530), (20, 3605371), (22, 3277610), (28, 2575265), (35, 2060212), (44, 1638805), (49, 1471580), (55, 1311044), (70, 1030106), (77, 936460), (98, 735790), (110, 655522), (140, 515053), (154, 468230), (196, 367895), (220, 327761), (245, 294316), (308, 234115), (385, 187292), (490, 147158), (539, 133780), (770, 93646), (980, 73579), (1078, 66890), (1540, 46823), (2156, 33445), (2695, 26756), (5390, 13378), (6689, 10780)]