80821188

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{45817}}^1$

素因数の和:45841

約数の個数: 54

約数和(自身を含む): 237657966

約数和(自身を除く): 156836778

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 45817, 91634, 137451, 183268, 274902, 320719, 412353, 549804, 641438, 824706, 962157, 1282876, 1649412, 1924314, 2245033, 2886471, 3848628, 4490066, 5772942, 6735099, 8980132, 11545884, 13470198, 20205297, 26940396, 40410594, 80821188]

約数ペア:

[(1, 80821188), (2, 40410594), (3, 26940396), (4, 20205297), (6, 13470198), (7, 11545884), (9, 8980132), (12, 6735099), (14, 5772942), (18, 4490066), (21, 3848628), (28, 2886471), (36, 2245033), (42, 1924314), (49, 1649412), (63, 1282876), (84, 962157), (98, 824706), (126, 641438), (147, 549804), (196, 412353), (252, 320719), (294, 274902), (441, 183268), (588, 137451), (882, 91634), (1764, 45817)]