1219791440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{20357}}^1$

素因数の和:20484

約数の個数: 80

約数和(自身を含む): 3271612032

約数和(自身を除く): 2051820592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1498, 1712, 2140, 2996, 3745, 4280, 5992, 7490, 8560, 11984, 14980, 20357, 29960, 40714, 59920, 81428, 101785, 142499, 162856, 203570, 284998, 325712, 407140, 569996, 712495, 814280, 1139992, 1424990, 1628560, 2178199, 2279984, 2849980, 4356398, 5699960, 8712796, 10890995, 11399920, 15247393, 17425592, 21781990, 30494786, 34851184, 43563980, 60989572, 76236965, 87127960, 121979144, 152473930, 174255920, 243958288, 304947860, 609895720, 1219791440]

約数ペア:

[(1, 1219791440), (2, 609895720), (4, 304947860), (5, 243958288), (7, 174255920), (8, 152473930), (10, 121979144), (14, 87127960), (16, 76236965), (20, 60989572), (28, 43563980), (35, 34851184), (40, 30494786), (56, 21781990), (70, 17425592), (80, 15247393), (107, 11399920), (112, 10890995), (140, 8712796), (214, 5699960), (280, 4356398), (428, 2849980), (535, 2279984), (560, 2178199), (749, 1628560), (856, 1424990), (1070, 1139992), (1498, 814280), (1712, 712495), (2140, 569996), (2996, 407140), (3745, 325712), (4280, 284998), (5992, 203570), (7490, 162856), (8560, 142499), (11984, 101785), (14980, 81428), (20357, 59920), (29960, 40714)]