128791040

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{7187}}^1$

素因数の和:7217

約数の個数: 80

約数和(自身を含む): 352959552

約数和(自身を除く): 224168512

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 7187, 8960, 14374, 17920, 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, 3679744, 4024720, 4599680, 6439552, 8049440, 9199360, 12879104, 16098880, 18398720, 25758208, 32197760, 64395520, 128791040]

約数ペア:

[(1, 128791040), (2, 64395520), (4, 32197760), (5, 25758208), (7, 18398720), (8, 16098880), (10, 12879104), (14, 9199360), (16, 8049440), (20, 6439552), (28, 4599680), (32, 4024720), (35, 3679744), (40, 3219776), (56, 2299840), (64, 2012360), (70, 1839872), (80, 1609888), (112, 1149920), (128, 1006180), (140, 919936), (160, 804944), (224, 574960), (256, 503090), (280, 459968), (320, 402472), (448, 287480), (512, 251545), (560, 229984), (640, 201236), (896, 143740), (1120, 114992), (1280, 100618), (1792, 71870), (2240, 57496), (2560, 50309), (3584, 35935), (4480, 28748), (7187, 17920), (8960, 14374)]