15202005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 32022144

約数和(自身を除く): 16820139

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 43, 49, 65, 91, 105, 111, 129, 147, 185, 195, 215, 245, 259, 273, 301, 455, 481, 555, 559, 637, 645, 735, 777, 903, 1295, 1365, 1443, 1505, 1591, 1677, 1813, 1911, 2107, 2405, 2795, 3185, 3367, 3885, 3913, 4515, 4773, 5439, 6321, 7215, 7955, 8385, 9065, 9555, 10101, 10535, 11137, 11739, 16835, 19565, 20683, 23569, 23865, 27195, 27391, 31605, 33411, 50505, 55685, 58695, 62049, 70707, 77959, 82173, 103415, 117845, 136955, 144781, 167055, 233877, 310245, 353535, 389795, 410865, 434343, 723905, 1013467, 1169385, 2171715, 3040401, 5067335, 15202005]

約数ペア:

[(1, 15202005), (3, 5067335), (5, 3040401), (7, 2171715), (13, 1169385), (15, 1013467), (21, 723905), (35, 434343), (37, 410865), (39, 389795), (43, 353535), (49, 310245), (65, 233877), (91, 167055), (105, 144781), (111, 136955), (129, 117845), (147, 103415), (185, 82173), (195, 77959), (215, 70707), (245, 62049), (259, 58695), (273, 55685), (301, 50505), (455, 33411), (481, 31605), (555, 27391), (559, 27195), (637, 23865), (645, 23569), (735, 20683), (777, 19565), (903, 16835), (1295, 11739), (1365, 11137), (1443, 10535), (1505, 10101), (1591, 9555), (1677, 9065), (1813, 8385), (1911, 7955), (2107, 7215), (2405, 6321), (2795, 5439), (3185, 4773), (3367, 4515), (3885, 3913)]