123858840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{147451}}^1$

素因数の和:147472

約数の個数: 64

約数和(自身を含む): 424661760

約数和(自身を除く): 300802920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 147451, 294902, 442353, 589804, 737255, 884706, 1032157, 1179608, 1474510, 1769412, 2064314, 2211765, 2949020, 3096471, 3538824, 4128628, 4423530, 5160785, 5898040, 6192942, 8257256, 8847060, 10321570, 12385884, 15482355, 17694120, 20643140, 24771768, 30964710, 41286280, 61929420, 123858840]

約数ペア:

[(1, 123858840), (2, 61929420), (3, 41286280), (4, 30964710), (5, 24771768), (6, 20643140), (7, 17694120), (8, 15482355), (10, 12385884), (12, 10321570), (14, 8847060), (15, 8257256), (20, 6192942), (21, 5898040), (24, 5160785), (28, 4423530), (30, 4128628), (35, 3538824), (40, 3096471), (42, 2949020), (56, 2211765), (60, 2064314), (70, 1769412), (84, 1474510), (105, 1179608), (120, 1032157), (140, 884706), (168, 737255), (210, 589804), (280, 442353), (420, 294902), (840, 147451)]