256158456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18121}}^1$

素因数の和:18180

約数の個数: 64

約数和(自身を含む): 695884800

約数和(自身を除く): 439726344

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1767, 2356, 3534, 4712, 7068, 14136, 18121, 36242, 54363, 72484, 108726, 144968, 217452, 344299, 434904, 561751, 688598, 1032897, 1123502, 1377196, 1685253, 2065794, 2247004, 2754392, 3370506, 4131588, 4494008, 6741012, 8263176, 10673269, 13482024, 21346538, 32019807, 42693076, 64039614, 85386152, 128079228, 256158456]

約数ペア:

[(1, 256158456), (2, 128079228), (3, 85386152), (4, 64039614), (6, 42693076), (8, 32019807), (12, 21346538), (19, 13482024), (24, 10673269), (31, 8263176), (38, 6741012), (57, 4494008), (62, 4131588), (76, 3370506), (93, 2754392), (114, 2247004), (124, 2065794), (152, 1685253), (186, 1377196), (228, 1123502), (248, 1032897), (372, 688598), (456, 561751), (589, 434904), (744, 344299), (1178, 217452), (1767, 144968), (2356, 108726), (3534, 72484), (4712, 54363), (7068, 36242), (14136, 18121)]