1720949940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{142699}}^1$

素因数の和:142781

約数の個数: 72

約数和(自身を含む): 5298165600

約数和(自身を除く): 3577215660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 12060, 142699, 285398, 428097, 570796, 713495, 856194, 1284291, 1426990, 1712388, 2140485, 2568582, 2853980, 4280970, 5137164, 6421455, 8561940, 9560833, 12842910, 19121666, 25685820, 28682499, 38243332, 47804165, 57364998, 86047497, 95608330, 114729996, 143412495, 172094994, 191216660, 286824990, 344189988, 430237485, 573649980, 860474970, 1720949940]

約数ペア:

[(1, 1720949940), (2, 860474970), (3, 573649980), (4, 430237485), (5, 344189988), (6, 286824990), (9, 191216660), (10, 172094994), (12, 143412495), (15, 114729996), (18, 95608330), (20, 86047497), (30, 57364998), (36, 47804165), (45, 38243332), (60, 28682499), (67, 25685820), (90, 19121666), (134, 12842910), (180, 9560833), (201, 8561940), (268, 6421455), (335, 5137164), (402, 4280970), (603, 2853980), (670, 2568582), (804, 2140485), (1005, 1712388), (1206, 1426990), (1340, 1284291), (2010, 856194), (2412, 713495), (3015, 570796), (4020, 428097), (6030, 285398), (12060, 142699)]