28646640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3617}}^1$

素因数の和:3647

約数の個数: 120

約数和(自身を含む): 104979888

約数和(自身を除く): 76333248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3617, 3960, 7234, 7920, 10851, 14468, 18085, 21702, 28936, 32553, 36170, 39787, 43404, 54255, 57872, 65106, 72340, 79574, 86808, 108510, 119361, 130212, 144680, 159148, 162765, 173616, 198935, 217020, 238722, 260424, 289360, 318296, 325530, 358083, 397870, 434040, 477444, 520848, 596805, 636592, 651060, 716166, 795740, 868080, 954888, 1193610, 1302120, 1432332, 1591480, 1790415, 1909776, 2387220, 2604240, 2864664, 3182960, 3580830, 4774440, 5729328, 7161660, 9548880, 14323320, 28646640]

約数ペア:

[(1, 28646640), (2, 14323320), (3, 9548880), (4, 7161660), (5, 5729328), (6, 4774440), (8, 3580830), (9, 3182960), (10, 2864664), (11, 2604240), (12, 2387220), (15, 1909776), (16, 1790415), (18, 1591480), (20, 1432332), (22, 1302120), (24, 1193610), (30, 954888), (33, 868080), (36, 795740), (40, 716166), (44, 651060), (45, 636592), (48, 596805), (55, 520848), (60, 477444), (66, 434040), (72, 397870), (80, 358083), (88, 325530), (90, 318296), (99, 289360), (110, 260424), (120, 238722), (132, 217020), (144, 198935), (165, 173616), (176, 162765), (180, 159148), (198, 144680), (220, 130212), (240, 119361), (264, 108510), (330, 86808), (360, 79574), (396, 72340), (440, 65106), (495, 57872), (528, 54255), (660, 43404), (720, 39787), (792, 36170), (880, 32553), (990, 28936), (1320, 21702), (1584, 18085), (1980, 14468), (2640, 10851), (3617, 7920), (3960, 7234)]