68699988

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 215255040

約数和(自身を除く): 146555052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 243, 252, 276, 322, 324, 378, 414, 439, 483, 486, 567, 621, 644, 756, 828, 878, 966, 972, 1134, 1242, 1317, 1449, 1701, 1756, 1863, 1932, 2268, 2484, 2634, 2898, 3073, 3402, 3726, 3951, 4347, 5268, 5589, 5796, 6146, 6804, 7452, 7902, 8694, 9219, 10097, 11178, 11853, 12292, 13041, 15804, 17388, 18438, 20194, 22356, 23706, 26082, 27657, 30291, 35559, 36876, 39123, 40388, 47412, 52164, 55314, 60582, 70679, 71118, 78246, 82971, 90873, 106677, 110628, 121164, 141358, 142236, 156492, 165942, 181746, 212037, 213354, 248913, 272619, 282716, 331884, 363492, 424074, 426708, 497826, 545238, 636111, 746739, 817857, 848148, 995652, 1090476, 1272222, 1493478, 1635714, 1908333, 2453571, 2544444, 2986956, 3271428, 3816666, 4907142, 5724999, 7633332, 9814284, 11449998, 17174997, 22899996, 34349994, 68699988]

約数ペア:

[(1, 68699988), (2, 34349994), (3, 22899996), (4, 17174997), (6, 11449998), (7, 9814284), (9, 7633332), (12, 5724999), (14, 4907142), (18, 3816666), (21, 3271428), (23, 2986956), (27, 2544444), (28, 2453571), (36, 1908333), (42, 1635714), (46, 1493478), (54, 1272222), (63, 1090476), (69, 995652), (81, 848148), (84, 817857), (92, 746739), (108, 636111), (126, 545238), (138, 497826), (161, 426708), (162, 424074), (189, 363492), (207, 331884), (243, 282716), (252, 272619), (276, 248913), (322, 213354), (324, 212037), (378, 181746), (414, 165942), (439, 156492), (483, 142236), (486, 141358), (567, 121164), (621, 110628), (644, 106677), (756, 90873), (828, 82971), (878, 78246), (966, 71118), (972, 70679), (1134, 60582), (1242, 55314), (1317, 52164), (1449, 47412), (1701, 40388), (1756, 39123), (1863, 36876), (1932, 35559), (2268, 30291), (2484, 27657), (2634, 26082), (2898, 23706), (3073, 22356), (3402, 20194), (3726, 18438), (3951, 17388), (4347, 15804), (5268, 13041), (5589, 12292), (5796, 11853), (6146, 11178), (6804, 10097), (7452, 9219), (7902, 8694)]