78744180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1405

約数の個数: 96

約数和(自身を含む): 235597824

約数和(自身を除く): 156853644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1327, 1380, 1978, 2580, 2654, 2967, 3956, 3981, 4945, 5308, 5934, 6635, 7962, 9890, 11868, 13270, 14835, 15924, 19780, 19905, 26540, 29670, 30521, 39810, 57061, 59340, 61042, 79620, 91563, 114122, 122084, 152605, 171183, 183126, 228244, 285305, 305210, 342366, 366252, 457815, 570610, 610420, 684732, 855915, 915630, 1141220, 1312403, 1711830, 1831260, 2624806, 3423660, 3937209, 5249612, 6562015, 7874418, 13124030, 15748836, 19686045, 26248060, 39372090, 78744180]

約数ペア:

[(1, 78744180), (2, 39372090), (3, 26248060), (4, 19686045), (5, 15748836), (6, 13124030), (10, 7874418), (12, 6562015), (15, 5249612), (20, 3937209), (23, 3423660), (30, 2624806), (43, 1831260), (46, 1711830), (60, 1312403), (69, 1141220), (86, 915630), (92, 855915), (115, 684732), (129, 610420), (138, 570610), (172, 457815), (215, 366252), (230, 342366), (258, 305210), (276, 285305), (345, 228244), (430, 183126), (460, 171183), (516, 152605), (645, 122084), (690, 114122), (860, 91563), (989, 79620), (1290, 61042), (1327, 59340), (1380, 57061), (1978, 39810), (2580, 30521), (2654, 29670), (2967, 26540), (3956, 19905), (3981, 19780), (4945, 15924), (5308, 14835), (5934, 13270), (6635, 11868), (7962, 9890)]