1555901440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{409}}^1\times {\mathrm{743}}^1$

素因数の和:1177

約数の個数: 88

約数和(自身を含む): 3746501280

約数和(自身を除く): 2190599840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 409, 512, 640, 743, 818, 1024, 1280, 1486, 1636, 2045, 2560, 2972, 3272, 3715, 4090, 5120, 5944, 6544, 7430, 8180, 11888, 13088, 14860, 16360, 23776, 26176, 29720, 32720, 47552, 52352, 59440, 65440, 95104, 104704, 118880, 130880, 190208, 209408, 237760, 261760, 303887, 380416, 418816, 475520, 523520, 607774, 760832, 951040, 1047040, 1215548, 1519435, 1902080, 2094080, 2431096, 3038870, 3804160, 4862192, 6077740, 9724384, 12155480, 19448768, 24310960, 38897536, 48621920, 77795072, 97243840, 155590144, 194487680, 311180288, 388975360, 777950720, 1555901440]

約数ペア:

[(1, 1555901440), (2, 777950720), (4, 388975360), (5, 311180288), (8, 194487680), (10, 155590144), (16, 97243840), (20, 77795072), (32, 48621920), (40, 38897536), (64, 24310960), (80, 19448768), (128, 12155480), (160, 9724384), (256, 6077740), (320, 4862192), (409, 3804160), (512, 3038870), (640, 2431096), (743, 2094080), (818, 1902080), (1024, 1519435), (1280, 1215548), (1486, 1047040), (1636, 951040), (2045, 760832), (2560, 607774), (2972, 523520), (3272, 475520), (3715, 418816), (4090, 380416), (5120, 303887), (5944, 261760), (6544, 237760), (7430, 209408), (8180, 190208), (11888, 130880), (13088, 118880), (14860, 104704), (16360, 95104), (23776, 65440), (26176, 59440), (29720, 52352), (32720, 47552)]