71404880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 175060224

約数和(自身を除く): 103655344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 151, 184, 230, 257, 302, 368, 460, 514, 604, 755, 920, 1028, 1208, 1285, 1510, 1840, 2056, 2416, 2570, 3020, 3473, 4112, 5140, 5911, 6040, 6946, 10280, 11822, 12080, 13892, 17365, 20560, 23644, 27784, 29555, 34730, 38807, 47288, 55568, 59110, 69460, 77614, 94576, 118220, 138920, 155228, 194035, 236440, 277840, 310456, 388070, 472880, 620912, 776140, 892561, 1552280, 1785122, 3104560, 3570244, 4462805, 7140488, 8925610, 14280976, 17851220, 35702440, 71404880]

約数ペア:

[(1, 71404880), (2, 35702440), (4, 17851220), (5, 14280976), (8, 8925610), (10, 7140488), (16, 4462805), (20, 3570244), (23, 3104560), (40, 1785122), (46, 1552280), (80, 892561), (92, 776140), (115, 620912), (151, 472880), (184, 388070), (230, 310456), (257, 277840), (302, 236440), (368, 194035), (460, 155228), (514, 138920), (604, 118220), (755, 94576), (920, 77614), (1028, 69460), (1208, 59110), (1285, 55568), (1510, 47288), (1840, 38807), (2056, 34730), (2416, 29555), (2570, 27784), (3020, 23644), (3473, 20560), (4112, 17365), (5140, 13892), (5911, 12080), (6040, 11822), (6946, 10280)]