79515520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17749}}^1$

素因数の和:17775

約数の個数: 64

約数和(自身を含む): 217260000

約数和(自身を除く): 137744480

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17749, 35498, 70996, 88745, 124243, 141992, 177490, 248486, 283984, 354980, 496972, 567968, 621215, 709960, 993944, 1135936, 1242430, 1419920, 1987888, 2271872, 2484860, 2839840, 3975776, 4969720, 5679680, 7951552, 9939440, 11359360, 15903104, 19878880, 39757760, 79515520]

約数ペア:

[(1, 79515520), (2, 39757760), (4, 19878880), (5, 15903104), (7, 11359360), (8, 9939440), (10, 7951552), (14, 5679680), (16, 4969720), (20, 3975776), (28, 2839840), (32, 2484860), (35, 2271872), (40, 1987888), (56, 1419920), (64, 1242430), (70, 1135936), (80, 993944), (112, 709960), (128, 621215), (140, 567968), (160, 496972), (224, 354980), (280, 283984), (320, 248486), (448, 177490), (560, 141992), (640, 124243), (896, 88745), (1120, 70996), (2240, 35498), (4480, 17749)]