31485780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 98784000

約数和(自身を除く): 67298220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 199, 270, 293, 398, 540, 586, 597, 796, 879, 995, 1172, 1194, 1465, 1758, 1791, 1990, 2388, 2637, 2930, 2985, 3516, 3582, 3980, 4395, 5274, 5373, 5860, 5970, 7164, 7911, 8790, 8955, 10548, 10746, 11940, 13185, 15822, 17580, 17910, 21492, 26370, 26865, 31644, 35820, 39555, 52740, 53730, 58307, 79110, 107460, 116614, 158220, 174921, 233228, 291535, 349842, 524763, 583070, 699684, 874605, 1049526, 1166140, 1574289, 1749210, 2099052, 2623815, 3148578, 3498420, 5247630, 6297156, 7871445, 10495260, 15742890, 31485780]

約数ペア:

[(1, 31485780), (2, 15742890), (3, 10495260), (4, 7871445), (5, 6297156), (6, 5247630), (9, 3498420), (10, 3148578), (12, 2623815), (15, 2099052), (18, 1749210), (20, 1574289), (27, 1166140), (30, 1049526), (36, 874605), (45, 699684), (54, 583070), (60, 524763), (90, 349842), (108, 291535), (135, 233228), (180, 174921), (199, 158220), (270, 116614), (293, 107460), (398, 79110), (540, 58307), (586, 53730), (597, 52740), (796, 39555), (879, 35820), (995, 31644), (1172, 26865), (1194, 26370), (1465, 21492), (1758, 17910), (1791, 17580), (1990, 15822), (2388, 13185), (2637, 11940), (2930, 10746), (2985, 10548), (3516, 8955), (3582, 8790), (3980, 7911), (4395, 7164), (5274, 5970), (5373, 5860)]