64395520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7187}}^1$

素因数の和:7215

約数の個数: 72

約数和(自身を含む): 176307264

約数和(自身を除く): 111911744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7187, 8960, 14374, 28748, 35935, 50309, 57496, 71870, 100618, 114992, 143740, 201236, 229984, 251545, 287480, 402472, 459968, 503090, 574960, 804944, 919936, 1006180, 1149920, 1609888, 1839872, 2012360, 2299840, 3219776, 4024720, 4599680, 6439552, 8049440, 9199360, 12879104, 16098880, 32197760, 64395520]

約数ペア:

[(1, 64395520), (2, 32197760), (4, 16098880), (5, 12879104), (7, 9199360), (8, 8049440), (10, 6439552), (14, 4599680), (16, 4024720), (20, 3219776), (28, 2299840), (32, 2012360), (35, 1839872), (40, 1609888), (56, 1149920), (64, 1006180), (70, 919936), (80, 804944), (112, 574960), (128, 503090), (140, 459968), (160, 402472), (224, 287480), (256, 251545), (280, 229984), (320, 201236), (448, 143740), (560, 114992), (640, 100618), (896, 71870), (1120, 57496), (1280, 50309), (1792, 35935), (2240, 28748), (4480, 14374), (7187, 8960)]