66830120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4871}}^1$

素因数の和:4903

約数の個数: 64

約数和(自身を含む): 175392000

約数和(自身を除く): 108561880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4871, 6860, 9742, 13720, 19484, 24355, 34097, 38968, 48710, 68194, 97420, 136388, 170485, 194840, 238679, 272776, 340970, 477358, 681940, 954716, 1193395, 1363880, 1670753, 1909432, 2386790, 3341506, 4773580, 6683012, 8353765, 9547160, 13366024, 16707530, 33415060, 66830120]

約数ペア:

[(1, 66830120), (2, 33415060), (4, 16707530), (5, 13366024), (7, 9547160), (8, 8353765), (10, 6683012), (14, 4773580), (20, 3341506), (28, 2386790), (35, 1909432), (40, 1670753), (49, 1363880), (56, 1193395), (70, 954716), (98, 681940), (140, 477358), (196, 340970), (245, 272776), (280, 238679), (343, 194840), (392, 170485), (490, 136388), (686, 97420), (980, 68194), (1372, 48710), (1715, 38968), (1960, 34097), (2744, 24355), (3430, 19484), (4871, 13720), (6860, 9742)]