264717440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31817}}^1$

素因数の和:31849

約数の個数: 64

約数和(自身を含む): 681541560

約数和(自身を除く): 416824120

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, 31817, 63634, 127268, 159085, 254536, 318170, 413621, 509072, 636340, 827242, 1018144, 1272680, 1654484, 2036288, 2068105, 2545360, 3308968, 4072576, 4136210, 5090720, 6617936, 8272420, 10181440, 13235872, 16544840, 20362880, 26471744, 33089680, 52943488, 66179360, 132358720, 264717440]

約数ペア:

[(1, 264717440), (2, 132358720), (4, 66179360), (5, 52943488), (8, 33089680), (10, 26471744), (13, 20362880), (16, 16544840), (20, 13235872), (26, 10181440), (32, 8272420), (40, 6617936), (52, 5090720), (64, 4136210), (65, 4072576), (80, 3308968), (104, 2545360), (128, 2068105), (130, 2036288), (160, 1654484), (208, 1272680), (260, 1018144), (320, 827242), (416, 636340), (520, 509072), (640, 413621), (832, 318170), (1040, 254536), (1664, 159085), (2080, 127268), (4160, 63634), (8320, 31817)]