640971.0000000

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 23716800

約数和(自身を除く): 15414168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 89, 92, 104, 138, 156, 169, 178, 184, 267, 276, 299, 312, 338, 356, 507, 534, 552, 598, 676, 712, 897, 1014, 1068, 1157, 1196, 1352, 1794, 2028, 2047, 2136, 2314, 2392, 3471, 3588, 3887, 4056, 4094, 4628, 6141, 6942, 7176, 7774, 8188, 9256, 11661, 12282, 13884, 15041, 15548, 16376, 23322, 24564, 26611, 27768, 30082, 31096, 45123, 46644, 49128, 53222, 60164, 79833, 90246, 93288, 106444, 120328, 159666, 180492, 212888, 319332, 345943, 360984, 638664, 691886, 1037829, 1383772, 2075658, 2767544, 4151316, 8302632]

約数ペア:

[(1, 8302632), (2, 4151316), (3, 2767544), (4, 2075658), (6, 1383772), (8, 1037829), (12, 691886), (13, 638664), (23, 360984), (24, 345943), (26, 319332), (39, 212888), (46, 180492), (52, 159666), (69, 120328), (78, 106444), (89, 93288), (92, 90246), (104, 79833), (138, 60164), (156, 53222), (169, 49128), (178, 46644), (184, 45123), (267, 31096), (276, 30082), (299, 27768), (312, 26611), (338, 24564), (356, 23322), (507, 16376), (534, 15548), (552, 15041), (598, 13884), (676, 12282), (712, 11661), (897, 9256), (1014, 8188), (1068, 7774), (1157, 7176), (1196, 6942), (1352, 6141), (1794, 4628), (2028, 4094), (2047, 4056), (2136, 3887), (2314, 3588), (2392, 3471)]