78669080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1471}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 203489280

約数和(自身を除く): 124820200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1471, 1528, 1910, 2674, 2942, 3820, 5348, 5884, 6685, 7355, 7640, 10297, 10696, 11768, 13370, 14710, 20594, 26740, 29420, 41188, 51485, 53480, 58840, 82376, 102970, 205940, 280961, 411880, 561922, 1123844, 1404805, 1966727, 2247688, 2809610, 3933454, 5619220, 7866908, 9833635, 11238440, 15733816, 19667270, 39334540, 78669080]

約数ペア:

[(1, 78669080), (2, 39334540), (4, 19667270), (5, 15733816), (7, 11238440), (8, 9833635), (10, 7866908), (14, 5619220), (20, 3933454), (28, 2809610), (35, 2247688), (40, 1966727), (56, 1404805), (70, 1123844), (140, 561922), (191, 411880), (280, 280961), (382, 205940), (764, 102970), (955, 82376), (1337, 58840), (1471, 53480), (1528, 51485), (1910, 41188), (2674, 29420), (2942, 26740), (3820, 20594), (5348, 14710), (5884, 13370), (6685, 11768), (7355, 10696), (7640, 10297)]