30021760

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 73042200

約数和(自身を除く): 43020440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 769, 976, 1220, 1538, 1952, 2440, 3076, 3845, 3904, 4880, 6152, 7690, 7808, 9760, 12304, 15380, 19520, 24608, 30760, 39040, 46909, 49216, 61520, 93818, 98432, 123040, 187636, 234545, 246080, 375272, 469090, 492160, 750544, 938180, 1501088, 1876360, 3002176, 3752720, 6004352, 7505440, 15010880, 30021760]

約数ペア:

[(1, 30021760), (2, 15010880), (4, 7505440), (5, 6004352), (8, 3752720), (10, 3002176), (16, 1876360), (20, 1501088), (32, 938180), (40, 750544), (61, 492160), (64, 469090), (80, 375272), (122, 246080), (128, 234545), (160, 187636), (244, 123040), (305, 98432), (320, 93818), (488, 61520), (610, 49216), (640, 46909), (769, 39040), (976, 30760), (1220, 24608), (1538, 19520), (1952, 15380), (2440, 12304), (3076, 9760), (3845, 7808), (3904, 7690), (4880, 6152)]