312990160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1223}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 834160896

約数和(自身を除く): 521170736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 457, 560, 914, 1223, 1828, 2285, 2446, 3199, 3656, 4570, 4892, 6115, 6398, 7312, 8561, 9140, 9784, 12230, 12796, 15995, 17122, 18280, 19568, 24460, 25592, 31990, 34244, 36560, 42805, 48920, 51184, 63980, 68488, 85610, 97840, 127960, 136976, 171220, 255920, 342440, 558911, 684880, 1117822, 2235644, 2794555, 3912377, 4471288, 5589110, 7824754, 8942576, 11178220, 15649508, 19561885, 22356440, 31299016, 39123770, 44712880, 62598032, 78247540, 156495080, 312990160]

約数ペア:

[(1, 312990160), (2, 156495080), (4, 78247540), (5, 62598032), (7, 44712880), (8, 39123770), (10, 31299016), (14, 22356440), (16, 19561885), (20, 15649508), (28, 11178220), (35, 8942576), (40, 7824754), (56, 5589110), (70, 4471288), (80, 3912377), (112, 2794555), (140, 2235644), (280, 1117822), (457, 684880), (560, 558911), (914, 342440), (1223, 255920), (1828, 171220), (2285, 136976), (2446, 127960), (3199, 97840), (3656, 85610), (4570, 68488), (4892, 63980), (6115, 51184), (6398, 48920), (7312, 42805), (8561, 36560), (9140, 34244), (9784, 31990), (12230, 25592), (12796, 24460), (15995, 19568), (17122, 18280)]