178731420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{60793}}^1$

素因数の和:60819

約数の個数: 72

約数和(自身を含む): 582163344

約数和(自身を除く): 403431924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 60793, 121586, 182379, 243172, 303965, 364758, 425551, 607930, 729516, 851102, 911895, 1215860, 1276653, 1702204, 1823790, 2127755, 2553306, 2978857, 3647580, 4255510, 5106612, 5957714, 6383265, 8511020, 8936571, 11915428, 12766530, 14894285, 17873142, 25533060, 29788570, 35746284, 44682855, 59577140, 89365710, 178731420]

約数ペア:

[(1, 178731420), (2, 89365710), (3, 59577140), (4, 44682855), (5, 35746284), (6, 29788570), (7, 25533060), (10, 17873142), (12, 14894285), (14, 12766530), (15, 11915428), (20, 8936571), (21, 8511020), (28, 6383265), (30, 5957714), (35, 5106612), (42, 4255510), (49, 3647580), (60, 2978857), (70, 2553306), (84, 2127755), (98, 1823790), (105, 1702204), (140, 1276653), (147, 1215860), (196, 911895), (210, 851102), (245, 729516), (294, 607930), (420, 425551), (490, 364758), (588, 303965), (735, 243172), (980, 182379), (1470, 121586), (2940, 60793)]