66143840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 181258560

約数和(自身を除く): 115114720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 365, 511, 560, 584, 730, 809, 1022, 1120, 1168, 1460, 1618, 2044, 2336, 2555, 2920, 3236, 4045, 4088, 5110, 5663, 5840, 6472, 8090, 8176, 10220, 11326, 11680, 12944, 16180, 16352, 20440, 22652, 25888, 28315, 32360, 40880, 45304, 56630, 59057, 64720, 81760, 90608, 113260, 118114, 129440, 181216, 226520, 236228, 295285, 413399, 453040, 472456, 590570, 826798, 906080, 944912, 1181140, 1653596, 1889824, 2066995, 2362280, 3307192, 4133990, 4724560, 6614384, 8267980, 9449120, 13228768, 16535960, 33071920, 66143840]

約数ペア:

[(1, 66143840), (2, 33071920), (4, 16535960), (5, 13228768), (7, 9449120), (8, 8267980), (10, 6614384), (14, 4724560), (16, 4133990), (20, 3307192), (28, 2362280), (32, 2066995), (35, 1889824), (40, 1653596), (56, 1181140), (70, 944912), (73, 906080), (80, 826798), (112, 590570), (140, 472456), (146, 453040), (160, 413399), (224, 295285), (280, 236228), (292, 226520), (365, 181216), (511, 129440), (560, 118114), (584, 113260), (730, 90608), (809, 81760), (1022, 64720), (1120, 59057), (1168, 56630), (1460, 45304), (1618, 40880), (2044, 32360), (2336, 28315), (2555, 25888), (2920, 22652), (3236, 20440), (4045, 16352), (4088, 16180), (5110, 12944), (5663, 11680), (5840, 11326), (6472, 10220), (8090, 8176)]