78312167440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1123883}}^1$

素因数の和:1123976

約数の個数: 80

約数和(自身を含む): 199008387648

約数和(自身を除く): 120696220208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2680, 3484, 4355, 5360, 6968, 8710, 13936, 17420, 34840, 69680, 1123883, 2247766, 4495532, 5619415, 8991064, 11238830, 14610479, 17982128, 22477660, 29220958, 44955320, 58441916, 73052395, 75300161, 89910640, 116883832, 146104790, 150600322, 233767664, 292209580, 301200644, 376500805, 584419160, 602401288, 753001610, 978902093, 1168838320, 1204802576, 1506003220, 1957804186, 3012006440, 3915608372, 4894510465, 6024012880, 7831216744, 9789020930, 15662433488, 19578041860, 39156083720, 78312167440]

約数ペア:

[(1, 78312167440), (2, 39156083720), (4, 19578041860), (5, 15662433488), (8, 9789020930), (10, 7831216744), (13, 6024012880), (16, 4894510465), (20, 3915608372), (26, 3012006440), (40, 1957804186), (52, 1506003220), (65, 1204802576), (67, 1168838320), (80, 978902093), (104, 753001610), (130, 602401288), (134, 584419160), (208, 376500805), (260, 301200644), (268, 292209580), (335, 233767664), (520, 150600322), (536, 146104790), (670, 116883832), (871, 89910640), (1040, 75300161), (1072, 73052395), (1340, 58441916), (1742, 44955320), (2680, 29220958), (3484, 22477660), (4355, 17982128), (5360, 14610479), (6968, 11238830), (8710, 8991064), (13936, 5619415), (17420, 4495532), (34840, 2247766), (69680, 1123883)]