127952720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{4663}}^1$

素因数の和:4697

約数の個数: 80

約数和(自身を含む): 347001600

約数和(自身を除く): 219048880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 4663, 5488, 6860, 9326, 13720, 18652, 23315, 27440, 32641, 37304, 46630, 65282, 74608, 93260, 130564, 163205, 186520, 228487, 261128, 326410, 373040, 456974, 522256, 652820, 913948, 1142435, 1305640, 1599409, 1827896, 2284870, 2611280, 3198818, 3655792, 4569740, 6397636, 7997045, 9139480, 12795272, 15994090, 18278960, 25590544, 31988180, 63976360, 127952720]

約数ペア:

[(1, 127952720), (2, 63976360), (4, 31988180), (5, 25590544), (7, 18278960), (8, 15994090), (10, 12795272), (14, 9139480), (16, 7997045), (20, 6397636), (28, 4569740), (35, 3655792), (40, 3198818), (49, 2611280), (56, 2284870), (70, 1827896), (80, 1599409), (98, 1305640), (112, 1142435), (140, 913948), (196, 652820), (245, 522256), (280, 456974), (343, 373040), (392, 326410), (490, 261128), (560, 228487), (686, 186520), (784, 163205), (980, 130564), (1372, 93260), (1715, 74608), (1960, 65282), (2744, 46630), (3430, 37304), (3920, 32641), (4663, 27440), (5488, 23315), (6860, 18652), (9326, 13720)]