164817660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{392423}}^1$

素因数の和:392442

約数の個数: 48

約数和(自身を含む): 527417856

約数和(自身を除く): 362600196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 392423, 784846, 1177269, 1569692, 1962115, 2354538, 2746961, 3924230, 4709076, 5493922, 5886345, 7848460, 8240883, 10987844, 11772690, 13734805, 16481766, 23545380, 27469610, 32963532, 41204415, 54939220, 82408830, 164817660]

約数ペア:

[(1, 164817660), (2, 82408830), (3, 54939220), (4, 41204415), (5, 32963532), (6, 27469610), (7, 23545380), (10, 16481766), (12, 13734805), (14, 11772690), (15, 10987844), (20, 8240883), (21, 7848460), (28, 5886345), (30, 5493922), (35, 4709076), (42, 3924230), (60, 2746961), (70, 2354538), (84, 1962115), (105, 1569692), (140, 1177269), (210, 784846), (420, 392423)]