211527540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167879}}^1$

素因数の和:167901

約数の個数: 72

約数和(自身を含む): 733299840

約数和(自身を除く): 521772300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 167879, 335758, 503637, 671516, 839395, 1007274, 1175153, 1510911, 1678790, 2014548, 2350306, 2518185, 3021822, 3357580, 3525459, 4700612, 5036370, 5875765, 6043644, 7050918, 7554555, 10072740, 10576377, 11751530, 14101836, 15109110, 17627295, 21152754, 23503060, 30218220, 35254590, 42305508, 52881885, 70509180, 105763770, 211527540]

約数ペア:

[(1, 211527540), (2, 105763770), (3, 70509180), (4, 52881885), (5, 42305508), (6, 35254590), (7, 30218220), (9, 23503060), (10, 21152754), (12, 17627295), (14, 15109110), (15, 14101836), (18, 11751530), (20, 10576377), (21, 10072740), (28, 7554555), (30, 7050918), (35, 6043644), (36, 5875765), (42, 5036370), (45, 4700612), (60, 3525459), (63, 3357580), (70, 3021822), (84, 2518185), (90, 2350306), (105, 2014548), (126, 1678790), (140, 1510911), (180, 1175153), (210, 1007274), (252, 839395), (315, 671516), (420, 503637), (630, 335758), (1260, 167879)]