1276240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 3535488

約数和(自身を除く): 2259248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 53, 56, 70, 80, 86, 106, 112, 140, 172, 212, 215, 265, 280, 301, 344, 371, 424, 430, 530, 560, 602, 688, 742, 848, 860, 1060, 1204, 1484, 1505, 1720, 1855, 2120, 2279, 2408, 2968, 3010, 3440, 3710, 4240, 4558, 4816, 5936, 6020, 7420, 9116, 11395, 12040, 14840, 15953, 18232, 22790, 24080, 29680, 31906, 36464, 45580, 63812, 79765, 91160, 127624, 159530, 182320, 255248, 319060, 638120, 1276240]

約数ペア:

[(1, 1276240), (2, 638120), (4, 319060), (5, 255248), (7, 182320), (8, 159530), (10, 127624), (14, 91160), (16, 79765), (20, 63812), (28, 45580), (35, 36464), (40, 31906), (43, 29680), (53, 24080), (56, 22790), (70, 18232), (80, 15953), (86, 14840), (106, 12040), (112, 11395), (140, 9116), (172, 7420), (212, 6020), (215, 5936), (265, 4816), (280, 4558), (301, 4240), (344, 3710), (371, 3440), (424, 3010), (430, 2968), (530, 2408), (560, 2279), (602, 2120), (688, 1855), (742, 1720), (848, 1505), (860, 1484), (1060, 1204)]