121457840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2027}}^1$

素因数の和:2154

約数の個数: 80

約数和(自身を含む): 325907712

約数和(自身を除く): 204449872

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, 2027, 2140, 2996, 3745, 4054, 4280, 5992, 7490, 8108, 8560, 10135, 11984, 14189, 14980, 16216, 20270, 28378, 29960, 32432, 40540, 56756, 59920, 70945, 81080, 113512, 141890, 162160, 216889, 227024, 283780, 433778, 567560, 867556, 1084445, 1135120, 1518223, 1735112, 2168890, 3036446, 3470224, 4337780, 6072892, 7591115, 8675560, 12145784, 15182230, 17351120, 24291568, 30364460, 60728920, 121457840]

約数ペア:

[(1, 121457840), (2, 60728920), (4, 30364460), (5, 24291568), (7, 17351120), (8, 15182230), (10, 12145784), (14, 8675560), (16, 7591115), (20, 6072892), (28, 4337780), (35, 3470224), (40, 3036446), (56, 2168890), (70, 1735112), (80, 1518223), (107, 1135120), (112, 1084445), (140, 867556), (214, 567560), (280, 433778), (428, 283780), (535, 227024), (560, 216889), (749, 162160), (856, 141890), (1070, 113512), (1498, 81080), (1712, 70945), (2027, 59920), (2140, 56756), (2996, 40540), (3745, 32432), (4054, 29960), (4280, 28378), (5992, 20270), (7490, 16216), (8108, 14980), (8560, 14189), (10135, 11984)]