15661642880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1882409}}^1$

素因数の和:1882441

約数の個数: 64

約数和(自身を含む): 40321222200

約数和(自身を除く): 24659579320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 1882409, 3764818, 7529636, 9412045, 15059272, 18824090, 24471317, 30118544, 37648180, 48942634, 60237088, 75296360, 97885268, 120474176, 122356585, 150592720, 195770536, 240948352, 244713170, 301185440, 391541072, 489426340, 602370880, 783082144, 978852680, 1204741760, 1566164288, 1957705360, 3132328576, 3915410720, 7830821440, 15661642880]

約数ペア:

[(1, 15661642880), (2, 7830821440), (4, 3915410720), (5, 3132328576), (8, 1957705360), (10, 1566164288), (13, 1204741760), (16, 978852680), (20, 783082144), (26, 602370880), (32, 489426340), (40, 391541072), (52, 301185440), (64, 244713170), (65, 240948352), (80, 195770536), (104, 150592720), (128, 122356585), (130, 120474176), (160, 97885268), (208, 75296360), (260, 60237088), (320, 48942634), (416, 37648180), (520, 30118544), (640, 24471317), (832, 18824090), (1040, 15059272), (1664, 9412045), (2080, 7529636), (4160, 3764818), (8320, 1882409)]