71980960

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1601}}^1$

素因数の和:1897

約数の個数: 48

約数和(自身を含む): 170766792

約数和(自身を除く): 98785832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 1601, 2248, 2810, 3202, 4496, 5620, 6404, 8005, 8992, 11240, 12808, 16010, 22480, 25616, 32020, 44960, 51232, 64040, 128080, 256160, 449881, 899762, 1799524, 2249405, 3599048, 4498810, 7198096, 8997620, 14396192, 17995240, 35990480, 71980960]

約数ペア:

[(1, 71980960), (2, 35990480), (4, 17995240), (5, 14396192), (8, 8997620), (10, 7198096), (16, 4498810), (20, 3599048), (32, 2249405), (40, 1799524), (80, 899762), (160, 449881), (281, 256160), (562, 128080), (1124, 64040), (1405, 51232), (1601, 44960), (2248, 32020), (2810, 25616), (3202, 22480), (4496, 16010), (5620, 12808), (6404, 11240), (8005, 8992)]