90224460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1997}}^1$

素因数の和:2263

約数の個数: 72

約数和(自身を含む): 274908816

約数和(自身を除く): 184684356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1997, 2259, 2510, 3012, 3765, 3994, 4518, 5020, 5991, 7530, 7988, 9036, 9985, 11295, 11982, 15060, 17973, 19970, 22590, 23964, 29955, 35946, 39940, 45180, 59910, 71892, 89865, 119820, 179730, 359460, 501247, 1002494, 1503741, 2004988, 2506235, 3007482, 4511223, 5012470, 6014964, 7518705, 9022446, 10024940, 15037410, 18044892, 22556115, 30074820, 45112230, 90224460]

約数ペア:

[(1, 90224460), (2, 45112230), (3, 30074820), (4, 22556115), (5, 18044892), (6, 15037410), (9, 10024940), (10, 9022446), (12, 7518705), (15, 6014964), (18, 5012470), (20, 4511223), (30, 3007482), (36, 2506235), (45, 2004988), (60, 1503741), (90, 1002494), (180, 501247), (251, 359460), (502, 179730), (753, 119820), (1004, 89865), (1255, 71892), (1506, 59910), (1997, 45180), (2259, 39940), (2510, 35946), (3012, 29955), (3765, 23964), (3994, 22590), (4518, 19970), (5020, 17973), (5991, 15060), (7530, 11982), (7988, 11295), (9036, 9985)]