15691132515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{68447}}^1$

素因数の和:68532

約数の個数: 64

約数和(自身を含む): 28386754560

約数和(自身を除く): 12695622045

約数列:

[1, 3, 5, 15, 17, 29, 31, 51, 85, 87, 93, 145, 155, 255, 435, 465, 493, 527, 899, 1479, 1581, 2465, 2635, 2697, 4495, 7395, 7905, 13485, 15283, 45849, 68447, 76415, 205341, 229245, 342235, 1026705, 1163599, 1984963, 2121857, 3490797, 5817995, 5954889, 6365571, 9924815, 10609285, 17453985, 29774445, 31827855, 33744371, 36071569, 61533853, 101233113, 108214707, 168721855, 180357845, 184601559, 307669265, 506165565, 541073535, 923007795, 1046075501, 3138226503, 5230377505, 15691132515]

約数ペア:

[(1, 15691132515), (3, 5230377505), (5, 3138226503), (15, 1046075501), (17, 923007795), (29, 541073535), (31, 506165565), (51, 307669265), (85, 184601559), (87, 180357845), (93, 168721855), (145, 108214707), (155, 101233113), (255, 61533853), (435, 36071569), (465, 33744371), (493, 31827855), (527, 29774445), (899, 17453985), (1479, 10609285), (1581, 9924815), (2465, 6365571), (2635, 5954889), (2697, 5817995), (4495, 3490797), (7395, 2121857), (7905, 1984963), (13485, 1163599), (15283, 1026705), (45849, 342235), (68447, 229245), (76415, 205341)]