72680020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2267}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 175271040

約数和(自身を除く): 102591020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2267, 2290, 3206, 4534, 4580, 6412, 8015, 9068, 11335, 15869, 16030, 22670, 31738, 32060, 45340, 63476, 79345, 158690, 317380, 519143, 1038286, 2076572, 2595715, 3634001, 5191430, 7268002, 10382860, 14536004, 18170005, 36340010, 72680020]

約数ペア:

[(1, 72680020), (2, 36340010), (4, 18170005), (5, 14536004), (7, 10382860), (10, 7268002), (14, 5191430), (20, 3634001), (28, 2595715), (35, 2076572), (70, 1038286), (140, 519143), (229, 317380), (458, 158690), (916, 79345), (1145, 63476), (1603, 45340), (2267, 32060), (2290, 31738), (3206, 22670), (4534, 16030), (4580, 15869), (6412, 11335), (8015, 9068)]