128720844

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1764

約数の個数: 108

約数和(自身を含む): 387531144

約数和(自身を除く): 258810300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 387, 441, 516, 588, 602, 774, 882, 903, 1204, 1548, 1697, 1764, 1806, 2107, 2709, 3394, 3612, 4214, 5091, 5418, 6321, 6788, 8428, 10182, 10836, 11879, 12642, 15273, 18963, 20364, 23758, 25284, 30546, 35637, 37926, 47516, 61092, 71274, 72971, 75852, 83153, 106911, 142548, 145942, 166306, 213822, 218913, 249459, 291884, 332612, 427644, 437826, 498918, 510797, 656739, 748377, 875652, 997836, 1021594, 1313478, 1496754, 1532391, 2043188, 2626956, 2993508, 3064782, 3575579, 4597173, 6129564, 7151158, 9194346, 10726737, 14302316, 18388692, 21453474, 32180211, 42906948, 64360422, 128720844]

約数ペア:

[(1, 128720844), (2, 64360422), (3, 42906948), (4, 32180211), (6, 21453474), (7, 18388692), (9, 14302316), (12, 10726737), (14, 9194346), (18, 7151158), (21, 6129564), (28, 4597173), (36, 3575579), (42, 3064782), (43, 2993508), (49, 2626956), (63, 2043188), (84, 1532391), (86, 1496754), (98, 1313478), (126, 1021594), (129, 997836), (147, 875652), (172, 748377), (196, 656739), (252, 510797), (258, 498918), (294, 437826), (301, 427644), (387, 332612), (441, 291884), (516, 249459), (588, 218913), (602, 213822), (774, 166306), (882, 145942), (903, 142548), (1204, 106911), (1548, 83153), (1697, 75852), (1764, 72971), (1806, 71274), (2107, 61092), (2709, 47516), (3394, 37926), (3612, 35637), (4214, 30546), (5091, 25284), (5418, 23758), (6321, 20364), (6788, 18963), (8428, 15273), (10182, 12642), (10836, 11879)]