81242910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2999}}^1$

素因数の和:3062

約数の個数: 96

約数和(自身を含む): 247104000

約数和(自身を除く): 165861090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 774, 903, 1290, 1505, 1806, 1935, 2709, 2999, 3010, 3870, 4515, 5418, 5998, 8997, 9030, 13545, 14995, 17994, 20993, 26991, 27090, 29990, 41986, 44985, 53982, 62979, 89970, 104965, 125958, 128957, 134955, 188937, 209930, 257914, 269910, 314895, 377874, 386871, 629790, 644785, 773742, 902699, 944685, 1160613, 1289570, 1805398, 1889370, 1934355, 2321226, 2708097, 3868710, 4513495, 5416194, 5803065, 8124291, 9026990, 11606130, 13540485, 16248582, 27080970, 40621455, 81242910]

約数ペア:

[(1, 81242910), (2, 40621455), (3, 27080970), (5, 16248582), (6, 13540485), (7, 11606130), (9, 9026990), (10, 8124291), (14, 5803065), (15, 5416194), (18, 4513495), (21, 3868710), (30, 2708097), (35, 2321226), (42, 1934355), (43, 1889370), (45, 1805398), (63, 1289570), (70, 1160613), (86, 944685), (90, 902699), (105, 773742), (126, 644785), (129, 629790), (210, 386871), (215, 377874), (258, 314895), (301, 269910), (315, 257914), (387, 209930), (430, 188937), (602, 134955), (630, 128957), (645, 125958), (774, 104965), (903, 89970), (1290, 62979), (1505, 53982), (1806, 44985), (1935, 41986), (2709, 29990), (2999, 27090), (3010, 26991), (3870, 20993), (4515, 17994), (5418, 14995), (5998, 13545), (8997, 9030)]