80287320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2381}}^1$

素因数の和:2676

約数の個数: 64

約数和(自身を含む): 241820640

約数和(自身を除く): 161533320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 843, 1124, 1405, 1686, 2248, 2381, 2810, 3372, 4215, 4762, 5620, 6744, 7143, 8430, 9524, 11240, 11905, 14286, 16860, 19048, 23810, 28572, 33720, 35715, 47620, 57144, 71430, 95240, 142860, 285720, 669061, 1338122, 2007183, 2676244, 3345305, 4014366, 5352488, 6690610, 8028732, 10035915, 13381220, 16057464, 20071830, 26762440, 40143660, 80287320]

約数ペア:

[(1, 80287320), (2, 40143660), (3, 26762440), (4, 20071830), (5, 16057464), (6, 13381220), (8, 10035915), (10, 8028732), (12, 6690610), (15, 5352488), (20, 4014366), (24, 3345305), (30, 2676244), (40, 2007183), (60, 1338122), (120, 669061), (281, 285720), (562, 142860), (843, 95240), (1124, 71430), (1405, 57144), (1686, 47620), (2248, 35715), (2381, 33720), (2810, 28572), (3372, 23810), (4215, 19048), (4762, 16860), (5620, 14286), (6744, 11905), (7143, 11240), (8430, 9524)]