56217840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 201653760

約数和(自身を除く): 145435920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 307, 327, 336, 420, 436, 545, 560, 614, 654, 763, 840, 872, 921, 1090, 1228, 1308, 1526, 1535, 1635, 1680, 1744, 1842, 2149, 2180, 2289, 2456, 2616, 3052, 3070, 3270, 3684, 3815, 4298, 4360, 4578, 4605, 4912, 5232, 6104, 6140, 6447, 6540, 7368, 7630, 8596, 8720, 9156, 9210, 10745, 11445, 12208, 12280, 12894, 13080, 14736, 15260, 17192, 18312, 18420, 21490, 22890, 24560, 25788, 26160, 30520, 32235, 33463, 34384, 36624, 36840, 42980, 45780, 51576, 61040, 64470, 66926, 73680, 85960, 91560, 100389, 103152, 128940, 133852, 167315, 171920, 183120, 200778, 234241, 257880, 267704, 334630, 401556, 468482, 501945, 515760, 535408, 669260, 702723, 803112, 936964, 1003890, 1171205, 1338520, 1405446, 1606224, 1873928, 2007780, 2342410, 2677040, 2810892, 3513615, 3747856, 4015560, 4684820, 5621784, 7027230, 8031120, 9369640, 11243568, 14054460, 18739280, 28108920, 56217840]

約数ペア:

[(1, 56217840), (2, 28108920), (3, 18739280), (4, 14054460), (5, 11243568), (6, 9369640), (7, 8031120), (8, 7027230), (10, 5621784), (12, 4684820), (14, 4015560), (15, 3747856), (16, 3513615), (20, 2810892), (21, 2677040), (24, 2342410), (28, 2007780), (30, 1873928), (35, 1606224), (40, 1405446), (42, 1338520), (48, 1171205), (56, 1003890), (60, 936964), (70, 803112), (80, 702723), (84, 669260), (105, 535408), (109, 515760), (112, 501945), (120, 468482), (140, 401556), (168, 334630), (210, 267704), (218, 257880), (240, 234241), (280, 200778), (307, 183120), (327, 171920), (336, 167315), (420, 133852), (436, 128940), (545, 103152), (560, 100389), (614, 91560), (654, 85960), (763, 73680), (840, 66926), (872, 64470), (921, 61040), (1090, 51576), (1228, 45780), (1308, 42980), (1526, 36840), (1535, 36624), (1635, 34384), (1680, 33463), (1744, 32235), (1842, 30520), (2149, 26160), (2180, 25788), (2289, 24560), (2456, 22890), (2616, 21490), (3052, 18420), (3070, 18312), (3270, 17192), (3684, 15260), (3815, 14736), (4298, 13080), (4360, 12894), (4578, 12280), (4605, 12208), (4912, 11445), (5232, 10745), (6104, 9210), (6140, 9156), (6447, 8720), (6540, 8596), (7368, 7630)]