81205110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:998

約数の個数: 96

約数和(自身を含む): 243127872

約数和(自身を除く): 161922762

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 157, 210, 314, 315, 471, 630, 785, 821, 942, 1099, 1413, 1570, 1642, 2198, 2355, 2463, 2826, 3297, 4105, 4710, 4926, 5495, 5747, 6594, 7065, 7389, 8210, 9891, 10990, 11494, 12315, 14130, 14778, 16485, 17241, 19782, 24630, 28735, 32970, 34482, 36945, 49455, 51723, 57470, 73890, 86205, 98910, 103446, 128897, 172410, 257794, 258615, 386691, 517230, 644485, 773382, 902279, 1160073, 1288970, 1804558, 1933455, 2320146, 2706837, 3866910, 4511395, 5413674, 5800365, 8120511, 9022790, 11600730, 13534185, 16241022, 27068370, 40602555, 81205110]

約数ペア:

[(1, 81205110), (2, 40602555), (3, 27068370), (5, 16241022), (6, 13534185), (7, 11600730), (9, 9022790), (10, 8120511), (14, 5800365), (15, 5413674), (18, 4511395), (21, 3866910), (30, 2706837), (35, 2320146), (42, 1933455), (45, 1804558), (63, 1288970), (70, 1160073), (90, 902279), (105, 773382), (126, 644485), (157, 517230), (210, 386691), (314, 258615), (315, 257794), (471, 172410), (630, 128897), (785, 103446), (821, 98910), (942, 86205), (1099, 73890), (1413, 57470), (1570, 51723), (1642, 49455), (2198, 36945), (2355, 34482), (2463, 32970), (2826, 28735), (3297, 24630), (4105, 19782), (4710, 17241), (4926, 16485), (5495, 14778), (5747, 14130), (6594, 12315), (7065, 11494), (7389, 10990), (8210, 9891)]