71337840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42463}}^1$

素因数の和:42486

約数の個数: 80

約数和(自身を含む): 252745728

約数和(自身を除く): 181407888

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, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42463, 84926, 127389, 169852, 212315, 254778, 297241, 339704, 424630, 509556, 594482, 636945, 679408, 849260, 891723, 1019112, 1188964, 1273890, 1486205, 1698520, 1783446, 2038224, 2377928, 2547780, 2972410, 3397040, 3566892, 4458615, 4755856, 5095560, 5944820, 7133784, 8917230, 10191120, 11889640, 14267568, 17834460, 23779280, 35668920, 71337840]

約数ペア:

[(1, 71337840), (2, 35668920), (3, 23779280), (4, 17834460), (5, 14267568), (6, 11889640), (7, 10191120), (8, 8917230), (10, 7133784), (12, 5944820), (14, 5095560), (15, 4755856), (16, 4458615), (20, 3566892), (21, 3397040), (24, 2972410), (28, 2547780), (30, 2377928), (35, 2038224), (40, 1783446), (42, 1698520), (48, 1486205), (56, 1273890), (60, 1188964), (70, 1019112), (80, 891723), (84, 849260), (105, 679408), (112, 636945), (120, 594482), (140, 509556), (168, 424630), (210, 339704), (240, 297241), (280, 254778), (336, 212315), (420, 169852), (560, 127389), (840, 84926), (1680, 42463)]