28422540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{587}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 86682960

約数和(自身を除く): 58260420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 587, 807, 1076, 1174, 1345, 1614, 1761, 2348, 2421, 2690, 2935, 3228, 3522, 4035, 4842, 5283, 5380, 5870, 7044, 8070, 8805, 9684, 10566, 11740, 12105, 16140, 17610, 21132, 24210, 26415, 35220, 48420, 52830, 105660, 157903, 315806, 473709, 631612, 789515, 947418, 1421127, 1579030, 1894836, 2368545, 2842254, 3158060, 4737090, 5684508, 7105635, 9474180, 14211270, 28422540]

約数ペア:

[(1, 28422540), (2, 14211270), (3, 9474180), (4, 7105635), (5, 5684508), (6, 4737090), (9, 3158060), (10, 2842254), (12, 2368545), (15, 1894836), (18, 1579030), (20, 1421127), (30, 947418), (36, 789515), (45, 631612), (60, 473709), (90, 315806), (180, 157903), (269, 105660), (538, 52830), (587, 48420), (807, 35220), (1076, 26415), (1174, 24210), (1345, 21132), (1614, 17610), (1761, 16140), (2348, 12105), (2421, 11740), (2690, 10566), (2935, 9684), (3228, 8805), (3522, 8070), (4035, 7044), (4842, 5870), (5283, 5380)]