76481405

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 130999680

約数和(自身を除く): 54518275

約数列:

[1, 5, 7, 11, 13, 35, 37, 49, 55, 59, 65, 77, 91, 143, 185, 245, 259, 295, 385, 407, 413, 455, 481, 539, 637, 649, 715, 767, 1001, 1295, 1813, 2035, 2065, 2183, 2405, 2695, 2849, 2891, 3185, 3245, 3367, 3835, 4543, 5005, 5291, 5369, 7007, 8437, 9065, 10915, 14245, 14455, 15281, 16835, 19943, 22715, 23569, 24013, 26455, 26845, 28379, 31801, 35035, 37037, 37583, 42185, 59059, 76405, 99715, 106967, 117845, 120065, 141895, 159005, 168091, 185185, 187915, 198653, 259259, 295295, 312169, 413413, 534835, 840455, 993265, 1176637, 1296295, 1390571, 1560845, 2067065, 2185183, 5883185, 6952855, 10925915, 15296281, 76481405]

約数ペア:

[(1, 76481405), (5, 15296281), (7, 10925915), (11, 6952855), (13, 5883185), (35, 2185183), (37, 2067065), (49, 1560845), (55, 1390571), (59, 1296295), (65, 1176637), (77, 993265), (91, 840455), (143, 534835), (185, 413413), (245, 312169), (259, 295295), (295, 259259), (385, 198653), (407, 187915), (413, 185185), (455, 168091), (481, 159005), (539, 141895), (637, 120065), (649, 117845), (715, 106967), (767, 99715), (1001, 76405), (1295, 59059), (1813, 42185), (2035, 37583), (2065, 37037), (2183, 35035), (2405, 31801), (2695, 28379), (2849, 26845), (2891, 26455), (3185, 24013), (3245, 23569), (3367, 22715), (3835, 19943), (4543, 16835), (5005, 15281), (5291, 14455), (5369, 14245), (7007, 10915), (8437, 9065)]