8253420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 27084288

約数和(自身を除く): 18830868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 457, 516, 602, 645, 860, 903, 914, 1204, 1290, 1371, 1505, 1806, 1828, 2285, 2580, 2742, 3010, 3199, 3612, 4515, 4570, 5484, 6020, 6398, 6855, 9030, 9140, 9597, 12796, 13710, 15995, 18060, 19194, 19651, 27420, 31990, 38388, 39302, 47985, 58953, 63980, 78604, 95970, 98255, 117906, 137557, 191940, 196510, 235812, 275114, 294765, 393020, 412671, 550228, 589530, 687785, 825342, 1179060, 1375570, 1650684, 2063355, 2751140, 4126710, 8253420]

約数ペア:

[(1, 8253420), (2, 4126710), (3, 2751140), (4, 2063355), (5, 1650684), (6, 1375570), (7, 1179060), (10, 825342), (12, 687785), (14, 589530), (15, 550228), (20, 412671), (21, 393020), (28, 294765), (30, 275114), (35, 235812), (42, 196510), (43, 191940), (60, 137557), (70, 117906), (84, 98255), (86, 95970), (105, 78604), (129, 63980), (140, 58953), (172, 47985), (210, 39302), (215, 38388), (258, 31990), (301, 27420), (420, 19651), (430, 19194), (457, 18060), (516, 15995), (602, 13710), (645, 12796), (860, 9597), (903, 9140), (914, 9030), (1204, 6855), (1290, 6398), (1371, 6020), (1505, 5484), (1806, 4570), (1828, 4515), (2285, 3612), (2580, 3199), (2742, 3010)]