80458740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2269}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 245405160

約数和(自身を除く): 164946420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2269, 2364, 2955, 3546, 3940, 4538, 5910, 6807, 7092, 8865, 9076, 11345, 11820, 13614, 17730, 20421, 22690, 27228, 34035, 35460, 40842, 45380, 68070, 81684, 102105, 136140, 204210, 408420, 446993, 893986, 1340979, 1787972, 2234965, 2681958, 4022937, 4469930, 5363916, 6704895, 8045874, 8939860, 13409790, 16091748, 20114685, 26819580, 40229370, 80458740]

約数ペア:

[(1, 80458740), (2, 40229370), (3, 26819580), (4, 20114685), (5, 16091748), (6, 13409790), (9, 8939860), (10, 8045874), (12, 6704895), (15, 5363916), (18, 4469930), (20, 4022937), (30, 2681958), (36, 2234965), (45, 1787972), (60, 1340979), (90, 893986), (180, 446993), (197, 408420), (394, 204210), (591, 136140), (788, 102105), (985, 81684), (1182, 68070), (1773, 45380), (1970, 40842), (2269, 35460), (2364, 34035), (2955, 27228), (3546, 22690), (3940, 20421), (4538, 17730), (5910, 13614), (6807, 11820), (7092, 11345), (8865, 9076)]