164635520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{36749}}^1$

素因数の和:36775

約数の個数: 64

約数和(自身を含む): 449820000

約数和(自身を除く): 285184480

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, 36749, 73498, 146996, 183745, 257243, 293992, 367490, 514486, 587984, 734980, 1028972, 1175968, 1286215, 1469960, 2057944, 2351936, 2572430, 2939920, 4115888, 4703872, 5144860, 5879840, 8231776, 10289720, 11759680, 16463552, 20579440, 23519360, 32927104, 41158880, 82317760, 164635520]

約数ペア:

[(1, 164635520), (2, 82317760), (4, 41158880), (5, 32927104), (7, 23519360), (8, 20579440), (10, 16463552), (14, 11759680), (16, 10289720), (20, 8231776), (28, 5879840), (32, 5144860), (35, 4703872), (40, 4115888), (56, 2939920), (64, 2572430), (70, 2351936), (80, 2057944), (112, 1469960), (128, 1286215), (140, 1175968), (160, 1028972), (224, 734980), (280, 587984), (320, 514486), (448, 367490), (560, 293992), (640, 257243), (896, 183745), (1120, 146996), (2240, 73498), (4480, 36749)]