128518260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164767}}^1$

素因数の和:164792

約数の個数: 48

約数和(自身を含む): 387534336

約数和(自身を除く): 259016076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164767, 329534, 494301, 659068, 823835, 988602, 1647670, 1977204, 2141971, 2471505, 3295340, 4283942, 4943010, 6425913, 8567884, 9886020, 10709855, 12851826, 21419710, 25703652, 32129565, 42839420, 64259130, 128518260]

約数ペア:

[(1, 128518260), (2, 64259130), (3, 42839420), (4, 32129565), (5, 25703652), (6, 21419710), (10, 12851826), (12, 10709855), (13, 9886020), (15, 8567884), (20, 6425913), (26, 4943010), (30, 4283942), (39, 3295340), (52, 2471505), (60, 2141971), (65, 1977204), (78, 1647670), (130, 988602), (156, 823835), (195, 659068), (260, 494301), (390, 329534), (780, 164767)]