7857780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 25691904

約数和(自身を除く): 17834124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 353, 371, 420, 530, 636, 706, 742, 795, 1059, 1060, 1113, 1412, 1484, 1590, 1765, 1855, 2118, 2226, 2471, 3180, 3530, 3710, 4236, 4452, 4942, 5295, 5565, 7060, 7413, 7420, 9884, 10590, 11130, 12355, 14826, 18709, 21180, 22260, 24710, 29652, 37065, 37418, 49420, 56127, 74130, 74836, 93545, 112254, 130963, 148260, 187090, 224508, 261926, 280635, 374180, 392889, 523852, 561270, 654815, 785778, 1122540, 1309630, 1571556, 1964445, 2619260, 3928890, 7857780]

約数ペア:

[(1, 7857780), (2, 3928890), (3, 2619260), (4, 1964445), (5, 1571556), (6, 1309630), (7, 1122540), (10, 785778), (12, 654815), (14, 561270), (15, 523852), (20, 392889), (21, 374180), (28, 280635), (30, 261926), (35, 224508), (42, 187090), (53, 148260), (60, 130963), (70, 112254), (84, 93545), (105, 74836), (106, 74130), (140, 56127), (159, 49420), (210, 37418), (212, 37065), (265, 29652), (318, 24710), (353, 22260), (371, 21180), (420, 18709), (530, 14826), (636, 12355), (706, 11130), (742, 10590), (795, 9884), (1059, 7420), (1060, 7413), (1113, 7060), (1412, 5565), (1484, 5295), (1590, 4942), (1765, 4452), (1855, 4236), (2118, 3710), (2226, 3530), (2471, 3180)]