80442540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5657}}^1$

素因数の和:5751

約数の個数: 72

約数和(自身を含む): 247141440

約数和(自身を除く): 166698900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5657, 7110, 11314, 14220, 16971, 22628, 28285, 33942, 50913, 56570, 67884, 84855, 101826, 113140, 169710, 203652, 254565, 339420, 446903, 509130, 893806, 1018260, 1340709, 1787612, 2234515, 2681418, 4022127, 4469030, 5362836, 6703545, 8044254, 8938060, 13407090, 16088508, 20110635, 26814180, 40221270, 80442540]

約数ペア:

[(1, 80442540), (2, 40221270), (3, 26814180), (4, 20110635), (5, 16088508), (6, 13407090), (9, 8938060), (10, 8044254), (12, 6703545), (15, 5362836), (18, 4469030), (20, 4022127), (30, 2681418), (36, 2234515), (45, 1787612), (60, 1340709), (79, 1018260), (90, 893806), (158, 509130), (180, 446903), (237, 339420), (316, 254565), (395, 203652), (474, 169710), (711, 113140), (790, 101826), (948, 84855), (1185, 67884), (1422, 56570), (1580, 50913), (2370, 33942), (2844, 28285), (3555, 22628), (4740, 16971), (5657, 14220), (7110, 11314)]