51551360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 145117440

約数和(自身を除く): 93566080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 259, 280, 296, 311, 320, 370, 448, 518, 560, 592, 622, 640, 740, 896, 1036, 1120, 1184, 1244, 1295, 1480, 1555, 2072, 2177, 2240, 2368, 2488, 2590, 2960, 3110, 4144, 4354, 4480, 4736, 4976, 5180, 5920, 6220, 8288, 8708, 9952, 10360, 10885, 11507, 11840, 12440, 16576, 17416, 19904, 20720, 21770, 23014, 23680, 24880, 33152, 34832, 39808, 41440, 43540, 46028, 49760, 57535, 69664, 80549, 82880, 87080, 92056, 99520, 115070, 139328, 161098, 165760, 174160, 184112, 199040, 230140, 278656, 322196, 348320, 368224, 402745, 460280, 644392, 696640, 736448, 805490, 920560, 1288784, 1393280, 1472896, 1610980, 1841120, 2577568, 3221960, 3682240, 5155136, 6443920, 7364480, 10310272, 12887840, 25775680, 51551360]

約数ペア:

[(1, 51551360), (2, 25775680), (4, 12887840), (5, 10310272), (7, 7364480), (8, 6443920), (10, 5155136), (14, 3682240), (16, 3221960), (20, 2577568), (28, 1841120), (32, 1610980), (35, 1472896), (37, 1393280), (40, 1288784), (56, 920560), (64, 805490), (70, 736448), (74, 696640), (80, 644392), (112, 460280), (128, 402745), (140, 368224), (148, 348320), (160, 322196), (185, 278656), (224, 230140), (259, 199040), (280, 184112), (296, 174160), (311, 165760), (320, 161098), (370, 139328), (448, 115070), (518, 99520), (560, 92056), (592, 87080), (622, 82880), (640, 80549), (740, 69664), (896, 57535), (1036, 49760), (1120, 46028), (1184, 43540), (1244, 41440), (1295, 39808), (1480, 34832), (1555, 33152), (2072, 24880), (2177, 23680), (2240, 23014), (2368, 21770), (2488, 20720), (2590, 19904), (2960, 17416), (3110, 16576), (4144, 12440), (4354, 11840), (4480, 11507), (4736, 10885), (4976, 10360), (5180, 9952), (5920, 8708), (6220, 8288)]