66962480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 175832496

約数和(自身を除く): 108870016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 67, 80, 104, 124, 130, 134, 155, 208, 248, 260, 268, 310, 335, 403, 496, 520, 536, 620, 670, 806, 871, 961, 1040, 1072, 1240, 1340, 1612, 1742, 1922, 2015, 2077, 2480, 2680, 3224, 3484, 3844, 4030, 4154, 4355, 4805, 5360, 6448, 6968, 7688, 8060, 8308, 8710, 9610, 10385, 12493, 13936, 15376, 16120, 16616, 17420, 19220, 20770, 24986, 27001, 32240, 33232, 34840, 38440, 41540, 49972, 54002, 62465, 64387, 69680, 76880, 83080, 99944, 108004, 124930, 128774, 135005, 166160, 199888, 216008, 249860, 257548, 270010, 321935, 432016, 499720, 515096, 540020, 643870, 837031, 999440, 1030192, 1080040, 1287740, 1674062, 2160080, 2575480, 3348124, 4185155, 5150960, 6696248, 8370310, 13392496, 16740620, 33481240, 66962480]

約数ペア:

[(1, 66962480), (2, 33481240), (4, 16740620), (5, 13392496), (8, 8370310), (10, 6696248), (13, 5150960), (16, 4185155), (20, 3348124), (26, 2575480), (31, 2160080), (40, 1674062), (52, 1287740), (62, 1080040), (65, 1030192), (67, 999440), (80, 837031), (104, 643870), (124, 540020), (130, 515096), (134, 499720), (155, 432016), (208, 321935), (248, 270010), (260, 257548), (268, 249860), (310, 216008), (335, 199888), (403, 166160), (496, 135005), (520, 128774), (536, 124930), (620, 108004), (670, 99944), (806, 83080), (871, 76880), (961, 69680), (1040, 64387), (1072, 62465), (1240, 54002), (1340, 49972), (1612, 41540), (1742, 38440), (1922, 34840), (2015, 33232), (2077, 32240), (2480, 27001), (2680, 24986), (3224, 20770), (3484, 19220), (3844, 17420), (4030, 16616), (4154, 16120), (4355, 15376), (4805, 13936), (5360, 12493), (6448, 10385), (6968, 9610), (7688, 8710), (8060, 8308)]