71320480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 144

約数和(自身を含む): 214081056

約数和(自身を除く): 142760576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 827, 880, 980, 1078, 1120, 1232, 1540, 1568, 1654, 1760, 1960, 2156, 2464, 2695, 3080, 3308, 3920, 4135, 4312, 5390, 5789, 6160, 6616, 7840, 8270, 8624, 9097, 10780, 11578, 12320, 13232, 16540, 17248, 18194, 21560, 23156, 26464, 28945, 33080, 36388, 40523, 43120, 45485, 46312, 57890, 63679, 66160, 72776, 81046, 86240, 90970, 92624, 115780, 127358, 132320, 145552, 162092, 181940, 185248, 202615, 231560, 254716, 291104, 318395, 324184, 363880, 405230, 445753, 463120, 509432, 636790, 648368, 727760, 810460, 891506, 926240, 1018864, 1273580, 1296736, 1455520, 1620920, 1783012, 2037728, 2228765, 2547160, 3241840, 3566024, 4457530, 5094320, 6483680, 7132048, 8915060, 10188640, 14264096, 17830120, 35660240, 71320480]

約数ペア:

[(1, 71320480), (2, 35660240), (4, 17830120), (5, 14264096), (7, 10188640), (8, 8915060), (10, 7132048), (11, 6483680), (14, 5094320), (16, 4457530), (20, 3566024), (22, 3241840), (28, 2547160), (32, 2228765), (35, 2037728), (40, 1783012), (44, 1620920), (49, 1455520), (55, 1296736), (56, 1273580), (70, 1018864), (77, 926240), (80, 891506), (88, 810460), (98, 727760), (110, 648368), (112, 636790), (140, 509432), (154, 463120), (160, 445753), (176, 405230), (196, 363880), (220, 324184), (224, 318395), (245, 291104), (280, 254716), (308, 231560), (352, 202615), (385, 185248), (392, 181940), (440, 162092), (490, 145552), (539, 132320), (560, 127358), (616, 115780), (770, 92624), (784, 90970), (827, 86240), (880, 81046), (980, 72776), (1078, 66160), (1120, 63679), (1232, 57890), (1540, 46312), (1568, 45485), (1654, 43120), (1760, 40523), (1960, 36388), (2156, 33080), (2464, 28945), (2695, 26464), (3080, 23156), (3308, 21560), (3920, 18194), (4135, 17248), (4312, 16540), (5390, 13232), (5789, 12320), (6160, 11578), (6616, 10780), (7840, 9097), (8270, 8624)]