78785820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25747}}^1$

素因数の和:25779

約数の個数: 72

約数和(自身を含む): 253051344

約数和(自身を除く): 174265524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 25747, 51494, 77241, 102988, 128735, 154482, 231723, 257470, 308964, 386205, 437699, 463446, 514940, 772410, 875398, 926892, 1158615, 1313097, 1544820, 1750796, 2188495, 2317230, 2626194, 3939291, 4376990, 4634460, 5252388, 6565485, 7878582, 8753980, 13130970, 15757164, 19696455, 26261940, 39392910, 78785820]

約数ペア:

[(1, 78785820), (2, 39392910), (3, 26261940), (4, 19696455), (5, 15757164), (6, 13130970), (9, 8753980), (10, 7878582), (12, 6565485), (15, 5252388), (17, 4634460), (18, 4376990), (20, 3939291), (30, 2626194), (34, 2317230), (36, 2188495), (45, 1750796), (51, 1544820), (60, 1313097), (68, 1158615), (85, 926892), (90, 875398), (102, 772410), (153, 514940), (170, 463446), (180, 437699), (204, 386205), (255, 308964), (306, 257470), (340, 231723), (510, 154482), (612, 128735), (765, 102988), (1020, 77241), (1530, 51494), (3060, 25747)]