1231717120

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7577}}^1$

素因数の和:7725

約数の個数: 72

約数和(自身を含む): 2973970944

約数和(自身を除く): 1742253824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2540, 4064, 5080, 7577, 8128, 10160, 15154, 16256, 20320, 30308, 32512, 37885, 40640, 60616, 75770, 81280, 121232, 151540, 162560, 242464, 303080, 484928, 606160, 962279, 969856, 1212320, 1924558, 1939712, 2424640, 3849116, 4811395, 4849280, 7698232, 9622790, 9698560, 15396464, 19245580, 30792928, 38491160, 61585856, 76982320, 123171712, 153964640, 246343424, 307929280, 615858560, 1231717120]

約数ペア:

[(1, 1231717120), (2, 615858560), (4, 307929280), (5, 246343424), (8, 153964640), (10, 123171712), (16, 76982320), (20, 61585856), (32, 38491160), (40, 30792928), (64, 19245580), (80, 15396464), (127, 9698560), (128, 9622790), (160, 7698232), (254, 4849280), (256, 4811395), (320, 3849116), (508, 2424640), (635, 1939712), (640, 1924558), (1016, 1212320), (1270, 969856), (1280, 962279), (2032, 606160), (2540, 484928), (4064, 303080), (5080, 242464), (7577, 162560), (8128, 151540), (10160, 121232), (15154, 81280), (16256, 75770), (20320, 60616), (30308, 40640), (32512, 37885)]