15982120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5189}}^1$

素因数の和:5218

約数の個数: 64

約数和(自身を含む): 44841600

約数和(自身を除く): 28859480

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, 5189, 10378, 20756, 25945, 36323, 41512, 51890, 57079, 72646, 103780, 114158, 145292, 181615, 207560, 228316, 285395, 290584, 363230, 399553, 456632, 570790, 726460, 799106, 1141580, 1452920, 1598212, 1997765, 2283160, 3196424, 3995530, 7991060, 15982120]

約数ペア:

[(1, 15982120), (2, 7991060), (4, 3995530), (5, 3196424), (7, 2283160), (8, 1997765), (10, 1598212), (11, 1452920), (14, 1141580), (20, 799106), (22, 726460), (28, 570790), (35, 456632), (40, 399553), (44, 363230), (55, 290584), (56, 285395), (70, 228316), (77, 207560), (88, 181615), (110, 145292), (140, 114158), (154, 103780), (220, 72646), (280, 57079), (308, 51890), (385, 41512), (440, 36323), (616, 25945), (770, 20756), (1540, 10378), (3080, 5189)]