90689784080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23135149}}^1$

素因数の和:23135176

約数の個数: 60

約数和(自身を含む): 245278860300

約数和(自身を除く): 154589076220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23135149, 46270298, 92540596, 115675745, 161946043, 185081192, 231351490, 323892086, 370162384, 462702980, 647784172, 809730215, 925405960, 1133622301, 1295568344, 1619460430, 1850811920, 2267244602, 2591136688, 3238920860, 4534489204, 5668111505, 6477841720, 9068978408, 11336223010, 12955683440, 18137956816, 22672446020, 45344892040, 90689784080]

約数ペア:

[(1, 90689784080), (2, 45344892040), (4, 22672446020), (5, 18137956816), (7, 12955683440), (8, 11336223010), (10, 9068978408), (14, 6477841720), (16, 5668111505), (20, 4534489204), (28, 3238920860), (35, 2591136688), (40, 2267244602), (49, 1850811920), (56, 1619460430), (70, 1295568344), (80, 1133622301), (98, 925405960), (112, 809730215), (140, 647784172), (196, 462702980), (245, 370162384), (280, 323892086), (392, 231351490), (490, 185081192), (560, 161946043), (784, 115675745), (980, 92540596), (1960, 46270298), (3920, 23135149)]