245411880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{292157}}^1$

素因数の和:292178

約数の個数: 64

約数和(自身を含む): 841415040

約数和(自身を除く): 596003160

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, 292157, 584314, 876471, 1168628, 1460785, 1752942, 2045099, 2337256, 2921570, 3505884, 4090198, 4382355, 5843140, 6135297, 7011768, 8180396, 8764710, 10225495, 11686280, 12270594, 16360792, 17529420, 20450990, 24541188, 30676485, 35058840, 40901980, 49082376, 61352970, 81803960, 122705940, 245411880]

約数ペア:

[(1, 245411880), (2, 122705940), (3, 81803960), (4, 61352970), (5, 49082376), (6, 40901980), (7, 35058840), (8, 30676485), (10, 24541188), (12, 20450990), (14, 17529420), (15, 16360792), (20, 12270594), (21, 11686280), (24, 10225495), (28, 8764710), (30, 8180396), (35, 7011768), (40, 6135297), (42, 5843140), (56, 4382355), (60, 4090198), (70, 3505884), (84, 2921570), (105, 2337256), (120, 2045099), (140, 1752942), (168, 1460785), (210, 1168628), (280, 876471), (420, 584314), (840, 292157)]