31127580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 104832000

約数和(自身を除く): 73704420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 79, 90, 99, 110, 132, 158, 165, 180, 198, 199, 220, 237, 316, 330, 395, 396, 398, 474, 495, 597, 660, 711, 790, 796, 869, 948, 990, 995, 1185, 1194, 1422, 1580, 1738, 1791, 1980, 1990, 2189, 2370, 2388, 2607, 2844, 2985, 3476, 3555, 3582, 3980, 4345, 4378, 4740, 5214, 5970, 6567, 7110, 7164, 7821, 8690, 8756, 8955, 10428, 10945, 11940, 13035, 13134, 14220, 15642, 15721, 17380, 17910, 19701, 21890, 26070, 26268, 31284, 31442, 32835, 35820, 39105, 39402, 43780, 47163, 52140, 62884, 65670, 78210, 78605, 78804, 94326, 98505, 131340, 141489, 156420, 157210, 172931, 188652, 197010, 235815, 282978, 314420, 345862, 394020, 471630, 518793, 565956, 691724, 707445, 864655, 943260, 1037586, 1414890, 1556379, 1729310, 2075172, 2593965, 2829780, 3112758, 3458620, 5187930, 6225516, 7781895, 10375860, 15563790, 31127580]

約数ペア:

[(1, 31127580), (2, 15563790), (3, 10375860), (4, 7781895), (5, 6225516), (6, 5187930), (9, 3458620), (10, 3112758), (11, 2829780), (12, 2593965), (15, 2075172), (18, 1729310), (20, 1556379), (22, 1414890), (30, 1037586), (33, 943260), (36, 864655), (44, 707445), (45, 691724), (55, 565956), (60, 518793), (66, 471630), (79, 394020), (90, 345862), (99, 314420), (110, 282978), (132, 235815), (158, 197010), (165, 188652), (180, 172931), (198, 157210), (199, 156420), (220, 141489), (237, 131340), (316, 98505), (330, 94326), (395, 78804), (396, 78605), (398, 78210), (474, 65670), (495, 62884), (597, 52140), (660, 47163), (711, 43780), (790, 39402), (796, 39105), (869, 35820), (948, 32835), (990, 31442), (995, 31284), (1185, 26268), (1194, 26070), (1422, 21890), (1580, 19701), (1738, 17910), (1791, 17380), (1980, 15721), (1990, 15642), (2189, 14220), (2370, 13134), (2388, 13035), (2607, 11940), (2844, 10945), (2985, 10428), (3476, 8955), (3555, 8756), (3582, 8690), (3980, 7821), (4345, 7164), (4378, 7110), (4740, 6567), (5214, 5970)]