15664728320

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{121169}}^1$

素因数の和:121291

約数の個数: 72

約数和(自身を含む): 37893736440

約数和(自身を除く): 22229008120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 640, 808, 1010, 1280, 1616, 2020, 3232, 4040, 6464, 8080, 12928, 16160, 25856, 32320, 64640, 121169, 129280, 242338, 484676, 605845, 969352, 1211690, 1938704, 2423380, 3877408, 4846760, 7754816, 9693520, 12238069, 15509632, 19387040, 24476138, 31019264, 38774080, 48952276, 61190345, 77548160, 97904552, 122380690, 155096320, 195809104, 244761380, 391618208, 489522760, 783236416, 979045520, 1566472832, 1958091040, 3132945664, 3916182080, 7832364160, 15664728320]

約数ペア:

[(1, 15664728320), (2, 7832364160), (4, 3916182080), (5, 3132945664), (8, 1958091040), (10, 1566472832), (16, 979045520), (20, 783236416), (32, 489522760), (40, 391618208), (64, 244761380), (80, 195809104), (101, 155096320), (128, 122380690), (160, 97904552), (202, 77548160), (256, 61190345), (320, 48952276), (404, 38774080), (505, 31019264), (640, 24476138), (808, 19387040), (1010, 15509632), (1280, 12238069), (1616, 9693520), (2020, 7754816), (3232, 4846760), (4040, 3877408), (6464, 2423380), (8080, 1938704), (12928, 1211690), (16160, 969352), (25856, 605845), (32320, 484676), (64640, 242338), (121169, 129280)]