68913520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 186988032

約数和(自身を除く): 118074512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 43, 46, 52, 65, 67, 80, 86, 92, 104, 115, 130, 134, 172, 184, 208, 215, 230, 260, 268, 299, 335, 344, 368, 430, 460, 520, 536, 559, 598, 670, 688, 860, 871, 920, 989, 1040, 1072, 1118, 1196, 1340, 1495, 1541, 1720, 1742, 1840, 1978, 2236, 2392, 2680, 2795, 2881, 2990, 3082, 3440, 3484, 3956, 4355, 4472, 4784, 4945, 5360, 5590, 5762, 5980, 6164, 6968, 7705, 7912, 8710, 8944, 9890, 11180, 11524, 11960, 12328, 12857, 13936, 14405, 15410, 15824, 17420, 19780, 20033, 22360, 23048, 23920, 24656, 25714, 28810, 30820, 34840, 37453, 39560, 40066, 44720, 46096, 51428, 57620, 61640, 64285, 66263, 69680, 74906, 79120, 80132, 100165, 102856, 115240, 123280, 128570, 132526, 149812, 160264, 187265, 200330, 205712, 230480, 257140, 265052, 299624, 320528, 331315, 374530, 400660, 514280, 530104, 599248, 662630, 749060, 801320, 861419, 1028560, 1060208, 1325260, 1498120, 1602640, 1722838, 2650520, 2996240, 3445676, 4307095, 5301040, 6891352, 8614190, 13782704, 17228380, 34456760, 68913520]

約数ペア:

[(1, 68913520), (2, 34456760), (4, 17228380), (5, 13782704), (8, 8614190), (10, 6891352), (13, 5301040), (16, 4307095), (20, 3445676), (23, 2996240), (26, 2650520), (40, 1722838), (43, 1602640), (46, 1498120), (52, 1325260), (65, 1060208), (67, 1028560), (80, 861419), (86, 801320), (92, 749060), (104, 662630), (115, 599248), (130, 530104), (134, 514280), (172, 400660), (184, 374530), (208, 331315), (215, 320528), (230, 299624), (260, 265052), (268, 257140), (299, 230480), (335, 205712), (344, 200330), (368, 187265), (430, 160264), (460, 149812), (520, 132526), (536, 128570), (559, 123280), (598, 115240), (670, 102856), (688, 100165), (860, 80132), (871, 79120), (920, 74906), (989, 69680), (1040, 66263), (1072, 64285), (1118, 61640), (1196, 57620), (1340, 51428), (1495, 46096), (1541, 44720), (1720, 40066), (1742, 39560), (1840, 37453), (1978, 34840), (2236, 30820), (2392, 28810), (2680, 25714), (2795, 24656), (2881, 23920), (2990, 23048), (3082, 22360), (3440, 20033), (3484, 19780), (3956, 17420), (4355, 15824), (4472, 15410), (4784, 14405), (4945, 13936), (5360, 12857), (5590, 12328), (5762, 11960), (5980, 11524), (6164, 11180), (6968, 9890), (7705, 8944), (7912, 8710)]