82181080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 197510400

約数和(自身を除く): 115329320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1523, 2698, 2840, 3046, 5396, 6092, 6745, 7615, 10792, 12184, 13490, 15230, 26980, 28937, 30460, 53960, 57874, 60920, 108133, 115748, 144685, 216266, 231496, 289370, 432532, 540665, 578740, 865064, 1081330, 1157480, 2054527, 2162660, 4109054, 4325320, 8218108, 10272635, 16436216, 20545270, 41090540, 82181080]

約数ペア:

[(1, 82181080), (2, 41090540), (4, 20545270), (5, 16436216), (8, 10272635), (10, 8218108), (19, 4325320), (20, 4109054), (38, 2162660), (40, 2054527), (71, 1157480), (76, 1081330), (95, 865064), (142, 578740), (152, 540665), (190, 432532), (284, 289370), (355, 231496), (380, 216266), (568, 144685), (710, 115748), (760, 108133), (1349, 60920), (1420, 57874), (1523, 53960), (2698, 30460), (2840, 28937), (3046, 26980), (5396, 15230), (6092, 13490), (6745, 12184), (7615, 10792)]