13123880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4261}}^1$

素因数の和:4290

約数の個数: 64

約数和(自身を含む): 36823680

約数和(自身を除く): 23699800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4261, 8522, 17044, 21305, 29827, 34088, 42610, 46871, 59654, 85220, 93742, 119308, 149135, 170440, 187484, 234355, 238616, 298270, 328097, 374968, 468710, 596540, 656194, 937420, 1193080, 1312388, 1640485, 1874840, 2624776, 3280970, 6561940, 13123880]

約数ペア:

[(1, 13123880), (2, 6561940), (4, 3280970), (5, 2624776), (7, 1874840), (8, 1640485), (10, 1312388), (11, 1193080), (14, 937420), (20, 656194), (22, 596540), (28, 468710), (35, 374968), (40, 328097), (44, 298270), (55, 238616), (56, 234355), (70, 187484), (77, 170440), (88, 149135), (110, 119308), (140, 93742), (154, 85220), (220, 59654), (280, 46871), (308, 42610), (385, 34088), (440, 29827), (616, 21305), (770, 17044), (1540, 8522), (3080, 4261)]