2721810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 8047872

約数和(自身を除く): 5326062

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 997, 1365, 1994, 2730, 2991, 4985, 5982, 6979, 9970, 12961, 13958, 14955, 20937, 25922, 29910, 34895, 38883, 41874, 64805, 69790, 77766, 90727, 104685, 129610, 181454, 194415, 209370, 272181, 388830, 453635, 544362, 907270, 1360905, 2721810]

約数ペア:

[(1, 2721810), (2, 1360905), (3, 907270), (5, 544362), (6, 453635), (7, 388830), (10, 272181), (13, 209370), (14, 194415), (15, 181454), (21, 129610), (26, 104685), (30, 90727), (35, 77766), (39, 69790), (42, 64805), (65, 41874), (70, 38883), (78, 34895), (91, 29910), (105, 25922), (130, 20937), (182, 14955), (195, 13958), (210, 12961), (273, 9970), (390, 6979), (455, 5982), (546, 4985), (910, 2991), (997, 2730), (1365, 1994)]