80344260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2243}}^1$

素因数の和:2457

約数の個数: 72

約数和(自身を含む): 245044800

約数和(自身を除く): 164700540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2243, 2388, 2985, 3582, 3980, 4486, 5970, 6729, 7164, 8955, 8972, 11215, 11940, 13458, 17910, 20187, 22430, 26916, 33645, 35820, 40374, 44860, 67290, 80748, 100935, 134580, 201870, 403740, 446357, 892714, 1339071, 1785428, 2231785, 2678142, 4017213, 4463570, 5356284, 6695355, 8034426, 8927140, 13390710, 16068852, 20086065, 26781420, 40172130, 80344260]

約数ペア:

[(1, 80344260), (2, 40172130), (3, 26781420), (4, 20086065), (5, 16068852), (6, 13390710), (9, 8927140), (10, 8034426), (12, 6695355), (15, 5356284), (18, 4463570), (20, 4017213), (30, 2678142), (36, 2231785), (45, 1785428), (60, 1339071), (90, 892714), (180, 446357), (199, 403740), (398, 201870), (597, 134580), (796, 100935), (995, 80748), (1194, 67290), (1791, 44860), (1990, 40374), (2243, 35820), (2388, 33645), (2985, 26916), (3582, 22430), (3980, 20187), (4486, 17910), (5970, 13458), (6729, 11940), (7164, 11215), (8955, 8972)]