128393328

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 391284480

約数和(自身を除く): 262891152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 79, 84, 98, 112, 147, 158, 168, 196, 237, 294, 316, 336, 392, 474, 553, 588, 632, 691, 784, 948, 1106, 1176, 1264, 1382, 1659, 1896, 2073, 2212, 2352, 2764, 3318, 3792, 3871, 4146, 4424, 4837, 5528, 6636, 7742, 8292, 8848, 9674, 11056, 11613, 13272, 14511, 15484, 16584, 19348, 23226, 26544, 29022, 30968, 33168, 33859, 38696, 46452, 54589, 58044, 61936, 67718, 77392, 92904, 101577, 109178, 116088, 135436, 163767, 185808, 203154, 218356, 232176, 270872, 327534, 382123, 406308, 436712, 541744, 655068, 764246, 812616, 873424, 1146369, 1310136, 1528492, 1625232, 2292738, 2620272, 2674861, 3056984, 4585476, 5349722, 6113968, 8024583, 9170952, 10699444, 16049166, 18341904, 21398888, 32098332, 42797776, 64196664, 128393328]

約数ペア:

[(1, 128393328), (2, 64196664), (3, 42797776), (4, 32098332), (6, 21398888), (7, 18341904), (8, 16049166), (12, 10699444), (14, 9170952), (16, 8024583), (21, 6113968), (24, 5349722), (28, 4585476), (42, 3056984), (48, 2674861), (49, 2620272), (56, 2292738), (79, 1625232), (84, 1528492), (98, 1310136), (112, 1146369), (147, 873424), (158, 812616), (168, 764246), (196, 655068), (237, 541744), (294, 436712), (316, 406308), (336, 382123), (392, 327534), (474, 270872), (553, 232176), (588, 218356), (632, 203154), (691, 185808), (784, 163767), (948, 135436), (1106, 116088), (1176, 109178), (1264, 101577), (1382, 92904), (1659, 77392), (1896, 67718), (2073, 61936), (2212, 58044), (2352, 54589), (2764, 46452), (3318, 38696), (3792, 33859), (3871, 33168), (4146, 30968), (4424, 29022), (4837, 26544), (5528, 23226), (6636, 19348), (7742, 16584), (8292, 15484), (8848, 14511), (9674, 13272), (11056, 11613)]