28225560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21383}}^1$

素因数の和:21408

約数の個数: 64

約数和(自身を含む): 92378880

約数和(自身を除く): 64153320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21383, 42766, 64149, 85532, 106915, 128298, 171064, 213830, 235213, 256596, 320745, 427660, 470426, 513192, 641490, 705639, 855320, 940852, 1176065, 1282980, 1411278, 1881704, 2352130, 2565960, 2822556, 3528195, 4704260, 5645112, 7056390, 9408520, 14112780, 28225560]

約数ペア:

[(1, 28225560), (2, 14112780), (3, 9408520), (4, 7056390), (5, 5645112), (6, 4704260), (8, 3528195), (10, 2822556), (11, 2565960), (12, 2352130), (15, 1881704), (20, 1411278), (22, 1282980), (24, 1176065), (30, 940852), (33, 855320), (40, 705639), (44, 641490), (55, 513192), (60, 470426), (66, 427660), (88, 320745), (110, 256596), (120, 235213), (132, 213830), (165, 171064), (220, 128298), (264, 106915), (330, 85532), (440, 64149), (660, 42766), (1320, 21383)]