80317160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 148297240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 280, 293, 308, 356, 385, 440, 445, 586, 616, 623, 712, 770, 890, 979, 1172, 1246, 1465, 1540, 1780, 1958, 2051, 2344, 2492, 2930, 3080, 3115, 3223, 3560, 3916, 4102, 4895, 4984, 5860, 6230, 6446, 6853, 7832, 8204, 9790, 10255, 11720, 12460, 12892, 13706, 16115, 16408, 19580, 20510, 22561, 24920, 25784, 26077, 27412, 32230, 34265, 39160, 41020, 45122, 52154, 54824, 64460, 68530, 82040, 90244, 104308, 112805, 128920, 130385, 137060, 180488, 182539, 208616, 225610, 260770, 274120, 286847, 365078, 451220, 521540, 573694, 730156, 902440, 912695, 1043080, 1147388, 1434235, 1460312, 1825390, 2007929, 2294776, 2868470, 3650780, 4015858, 5736940, 7301560, 8031716, 10039645, 11473880, 16063432, 20079290, 40158580, 80317160]

約数ペア:

[(1, 80317160), (2, 40158580), (4, 20079290), (5, 16063432), (7, 11473880), (8, 10039645), (10, 8031716), (11, 7301560), (14, 5736940), (20, 4015858), (22, 3650780), (28, 2868470), (35, 2294776), (40, 2007929), (44, 1825390), (55, 1460312), (56, 1434235), (70, 1147388), (77, 1043080), (88, 912695), (89, 902440), (110, 730156), (140, 573694), (154, 521540), (178, 451220), (220, 365078), (280, 286847), (293, 274120), (308, 260770), (356, 225610), (385, 208616), (440, 182539), (445, 180488), (586, 137060), (616, 130385), (623, 128920), (712, 112805), (770, 104308), (890, 90244), (979, 82040), (1172, 68530), (1246, 64460), (1465, 54824), (1540, 52154), (1780, 45122), (1958, 41020), (2051, 39160), (2344, 34265), (2492, 32230), (2930, 27412), (3080, 26077), (3115, 25784), (3223, 24920), (3560, 22561), (3916, 20510), (4102, 19580), (4895, 16408), (4984, 16115), (5860, 13706), (6230, 12892), (6446, 12460), (6853, 11720), (7832, 10255), (8204, 9790)]