81001728

素因数分解:

$2^8\times 3^3\times {\mathrm{11719}}^1$

素因数の和:11744

約数の個数: 72

約数和(自身を含む): 239556800

約数和(自身を除く): 158555072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 576, 768, 864, 1152, 1728, 2304, 3456, 6912, 11719, 23438, 35157, 46876, 70314, 93752, 105471, 140628, 187504, 210942, 281256, 316413, 375008, 421884, 562512, 632826, 750016, 843768, 1125024, 1265652, 1500032, 1687536, 2250048, 2531304, 3000064, 3375072, 4500096, 5062608, 6750144, 9000192, 10125216, 13500288, 20250432, 27000576, 40500864, 81001728]

約数ペア:

[(1, 81001728), (2, 40500864), (3, 27000576), (4, 20250432), (6, 13500288), (8, 10125216), (9, 9000192), (12, 6750144), (16, 5062608), (18, 4500096), (24, 3375072), (27, 3000064), (32, 2531304), (36, 2250048), (48, 1687536), (54, 1500032), (64, 1265652), (72, 1125024), (96, 843768), (108, 750016), (128, 632826), (144, 562512), (192, 421884), (216, 375008), (256, 316413), (288, 281256), (384, 210942), (432, 187504), (576, 140628), (768, 105471), (864, 93752), (1152, 70314), (1728, 46876), (2304, 35157), (3456, 23438), (6912, 11719)]