15873880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 24042920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 839, 860, 946, 1678, 1720, 1892, 2365, 3356, 3784, 4195, 4730, 6712, 8390, 9229, 9460, 16780, 18458, 18920, 33560, 36077, 36916, 46145, 72154, 73832, 92290, 144308, 180385, 184580, 288616, 360770, 369160, 396847, 721540, 793694, 1443080, 1587388, 1984235, 3174776, 3968470, 7936940, 15873880]

約数ペア:

[(1, 15873880), (2, 7936940), (4, 3968470), (5, 3174776), (8, 1984235), (10, 1587388), (11, 1443080), (20, 793694), (22, 721540), (40, 396847), (43, 369160), (44, 360770), (55, 288616), (86, 184580), (88, 180385), (110, 144308), (172, 92290), (215, 73832), (220, 72154), (344, 46145), (430, 36916), (440, 36077), (473, 33560), (839, 18920), (860, 18458), (946, 16780), (1678, 9460), (1720, 9229), (1892, 8390), (2365, 6712), (3356, 4730), (3784, 4195)]