28284960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{487}}^1$

素因数の和:527

約数の個数: 144

約数和(自身を含む): 98134848

約数和(自身を除く): 69849888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 480, 484, 487, 528, 605, 660, 726, 880, 968, 974, 1056, 1210, 1320, 1452, 1461, 1760, 1815, 1936, 1948, 2420, 2435, 2640, 2904, 2922, 3630, 3872, 3896, 4840, 4870, 5280, 5357, 5808, 5844, 7260, 7305, 7792, 9680, 9740, 10714, 11616, 11688, 14520, 14610, 15584, 16071, 19360, 19480, 21428, 23376, 26785, 29040, 29220, 32142, 38960, 42856, 46752, 53570, 58080, 58440, 58927, 64284, 77920, 80355, 85712, 107140, 116880, 117854, 128568, 160710, 171424, 176781, 214280, 233760, 235708, 257136, 294635, 321420, 353562, 428560, 471416, 514272, 589270, 642840, 707124, 857120, 883905, 942832, 1178540, 1285680, 1414248, 1767810, 1885664, 2357080, 2571360, 2828496, 3535620, 4714160, 5656992, 7071240, 9428320, 14142480, 28284960]

約数ペア:

[(1, 28284960), (2, 14142480), (3, 9428320), (4, 7071240), (5, 5656992), (6, 4714160), (8, 3535620), (10, 2828496), (11, 2571360), (12, 2357080), (15, 1885664), (16, 1767810), (20, 1414248), (22, 1285680), (24, 1178540), (30, 942832), (32, 883905), (33, 857120), (40, 707124), (44, 642840), (48, 589270), (55, 514272), (60, 471416), (66, 428560), (80, 353562), (88, 321420), (96, 294635), (110, 257136), (120, 235708), (121, 233760), (132, 214280), (160, 176781), (165, 171424), (176, 160710), (220, 128568), (240, 117854), (242, 116880), (264, 107140), (330, 85712), (352, 80355), (363, 77920), (440, 64284), (480, 58927), (484, 58440), (487, 58080), (528, 53570), (605, 46752), (660, 42856), (726, 38960), (880, 32142), (968, 29220), (974, 29040), (1056, 26785), (1210, 23376), (1320, 21428), (1452, 19480), (1461, 19360), (1760, 16071), (1815, 15584), (1936, 14610), (1948, 14520), (2420, 11688), (2435, 11616), (2640, 10714), (2904, 9740), (2922, 9680), (3630, 7792), (3872, 7305), (3896, 7260), (4840, 5844), (4870, 5808), (5280, 5357)]