30987680

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 73569384

約数和(自身を除く): 42581704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 586, 661, 1172, 1322, 1465, 2344, 2644, 2930, 3305, 4688, 5288, 5860, 6610, 9376, 10576, 11720, 13220, 21152, 23440, 26440, 46880, 52880, 105760, 193673, 387346, 774692, 968365, 1549384, 1936730, 3098768, 3873460, 6197536, 7746920, 15493840, 30987680]

約数ペア:

[(1, 30987680), (2, 15493840), (4, 7746920), (5, 6197536), (8, 3873460), (10, 3098768), (16, 1936730), (20, 1549384), (32, 968365), (40, 774692), (80, 387346), (160, 193673), (293, 105760), (586, 52880), (661, 46880), (1172, 26440), (1322, 23440), (1465, 21152), (2344, 13220), (2644, 11720), (2930, 10576), (3305, 9376), (4688, 6610), (5288, 5860)]