1980020016

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1057703}}^1$

素因数の和:1057730

約数の個数: 60

約数和(自身を含む): 5967565968

約数和(自身を除く): 3987545952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 1057703, 2115406, 3173109, 4230812, 6346218, 8461624, 9519327, 12692436, 13750139, 16923248, 19038654, 25384872, 27500278, 38077308, 41250417, 50769744, 55000556, 76154616, 82500834, 110001112, 123751251, 152309232, 165001668, 220002224, 247502502, 330003336, 495005004, 660006672, 990010008, 1980020016]

約数ペア:

[(1, 1980020016), (2, 990010008), (3, 660006672), (4, 495005004), (6, 330003336), (8, 247502502), (9, 220002224), (12, 165001668), (13, 152309232), (16, 123751251), (18, 110001112), (24, 82500834), (26, 76154616), (36, 55000556), (39, 50769744), (48, 41250417), (52, 38077308), (72, 27500278), (78, 25384872), (104, 19038654), (117, 16923248), (144, 13750139), (156, 12692436), (208, 9519327), (234, 8461624), (312, 6346218), (468, 4230812), (624, 3173109), (936, 2115406), (1872, 1057703)]