79665920

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 192912720

約数和(自身を除く): 113246800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 571, 640, 872, 1090, 1142, 1280, 1744, 2180, 2284, 2855, 3488, 4360, 4568, 5710, 6976, 8720, 9136, 11420, 13952, 17440, 18272, 22840, 27904, 34880, 36544, 45680, 62239, 69760, 73088, 91360, 124478, 139520, 146176, 182720, 248956, 311195, 365440, 497912, 622390, 730880, 995824, 1244780, 1991648, 2489560, 3983296, 4979120, 7966592, 9958240, 15933184, 19916480, 39832960, 79665920]

約数ペア:

[(1, 79665920), (2, 39832960), (4, 19916480), (5, 15933184), (8, 9958240), (10, 7966592), (16, 4979120), (20, 3983296), (32, 2489560), (40, 1991648), (64, 1244780), (80, 995824), (109, 730880), (128, 622390), (160, 497912), (218, 365440), (256, 311195), (320, 248956), (436, 182720), (545, 146176), (571, 139520), (640, 124478), (872, 91360), (1090, 73088), (1142, 69760), (1280, 62239), (1744, 45680), (2180, 36544), (2284, 34880), (2855, 27904), (3488, 22840), (4360, 18272), (4568, 17440), (5710, 13952), (6976, 11420), (8720, 9136)]