2871540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 10378368

約数和(自身を除く): 7506828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 53, 60, 63, 70, 84, 86, 90, 105, 106, 126, 129, 140, 159, 172, 180, 210, 212, 215, 252, 258, 265, 301, 315, 318, 371, 387, 420, 430, 477, 516, 530, 602, 630, 636, 645, 742, 774, 795, 860, 903, 954, 1060, 1113, 1204, 1260, 1290, 1484, 1505, 1548, 1590, 1806, 1855, 1908, 1935, 2226, 2279, 2385, 2580, 2709, 3010, 3180, 3339, 3612, 3710, 3870, 4452, 4515, 4558, 4770, 5418, 5565, 6020, 6678, 6837, 7420, 7740, 9030, 9116, 9540, 10836, 11130, 11395, 13356, 13545, 13674, 15953, 16695, 18060, 20511, 22260, 22790, 27090, 27348, 31906, 33390, 34185, 41022, 45580, 47859, 54180, 63812, 66780, 68370, 79765, 82044, 95718, 102555, 136740, 143577, 159530, 191436, 205110, 239295, 287154, 319060, 410220, 478590, 574308, 717885, 957180, 1435770, 2871540]

約数ペア:

[(1, 2871540), (2, 1435770), (3, 957180), (4, 717885), (5, 574308), (6, 478590), (7, 410220), (9, 319060), (10, 287154), (12, 239295), (14, 205110), (15, 191436), (18, 159530), (20, 143577), (21, 136740), (28, 102555), (30, 95718), (35, 82044), (36, 79765), (42, 68370), (43, 66780), (45, 63812), (53, 54180), (60, 47859), (63, 45580), (70, 41022), (84, 34185), (86, 33390), (90, 31906), (105, 27348), (106, 27090), (126, 22790), (129, 22260), (140, 20511), (159, 18060), (172, 16695), (180, 15953), (210, 13674), (212, 13545), (215, 13356), (252, 11395), (258, 11130), (265, 10836), (301, 9540), (315, 9116), (318, 9030), (371, 7740), (387, 7420), (420, 6837), (430, 6678), (477, 6020), (516, 5565), (530, 5418), (602, 4770), (630, 4558), (636, 4515), (645, 4452), (742, 3870), (774, 3710), (795, 3612), (860, 3339), (903, 3180), (954, 3010), (1060, 2709), (1113, 2580), (1204, 2385), (1260, 2279), (1290, 2226), (1484, 1935), (1505, 1908), (1548, 1855), (1590, 1806)]