128394864

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:775

約数の個数: 120

約数和(自身を含む): 391193712

約数和(自身を除く): 262798848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 107, 117, 144, 156, 208, 214, 234, 312, 321, 428, 468, 624, 641, 642, 856, 936, 963, 1282, 1284, 1391, 1712, 1872, 1923, 1926, 2564, 2568, 2782, 3846, 3852, 4173, 5128, 5136, 5564, 5769, 7692, 7704, 8333, 8346, 10256, 11128, 11538, 12519, 15384, 15408, 16666, 16692, 22256, 23076, 24999, 25038, 30768, 33332, 33384, 46152, 49998, 50076, 66664, 66768, 68587, 74997, 92304, 99996, 100152, 133328, 137174, 149994, 199992, 200304, 205761, 274348, 299988, 399984, 411522, 548696, 599976, 617283, 823044, 891631, 1097392, 1199952, 1234566, 1646088, 1783262, 2469132, 2674893, 3292176, 3566524, 4938264, 5349786, 7133048, 8024679, 9876528, 10699572, 14266096, 16049358, 21399144, 32098716, 42798288, 64197432, 128394864]

約数ペア:

[(1, 128394864), (2, 64197432), (3, 42798288), (4, 32098716), (6, 21399144), (8, 16049358), (9, 14266096), (12, 10699572), (13, 9876528), (16, 8024679), (18, 7133048), (24, 5349786), (26, 4938264), (36, 3566524), (39, 3292176), (48, 2674893), (52, 2469132), (72, 1783262), (78, 1646088), (104, 1234566), (107, 1199952), (117, 1097392), (144, 891631), (156, 823044), (208, 617283), (214, 599976), (234, 548696), (312, 411522), (321, 399984), (428, 299988), (468, 274348), (624, 205761), (641, 200304), (642, 199992), (856, 149994), (936, 137174), (963, 133328), (1282, 100152), (1284, 99996), (1391, 92304), (1712, 74997), (1872, 68587), (1923, 66768), (1926, 66664), (2564, 50076), (2568, 49998), (2782, 46152), (3846, 33384), (3852, 33332), (4173, 30768), (5128, 25038), (5136, 24999), (5564, 23076), (5769, 22256), (7692, 16692), (7704, 16666), (8333, 15408), (8346, 15384), (10256, 12519), (11128, 11538)]