28772480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 77405760

約数和(自身を除く): 48633280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 67, 80, 88, 110, 122, 128, 134, 160, 176, 220, 244, 268, 305, 320, 335, 352, 440, 488, 536, 610, 640, 670, 671, 704, 737, 880, 976, 1072, 1220, 1340, 1342, 1408, 1474, 1760, 1952, 2144, 2440, 2680, 2684, 2948, 3355, 3520, 3685, 3904, 4087, 4288, 4880, 5360, 5368, 5896, 6710, 7040, 7370, 7808, 8174, 8576, 9760, 10720, 10736, 11792, 13420, 14740, 16348, 19520, 20435, 21440, 21472, 23584, 26840, 29480, 32696, 39040, 40870, 42880, 42944, 44957, 47168, 53680, 58960, 65392, 81740, 85888, 89914, 94336, 107360, 117920, 130784, 163480, 179828, 214720, 224785, 235840, 261568, 326960, 359656, 429440, 449570, 471680, 523136, 653920, 719312, 899140, 1307840, 1438624, 1798280, 2615680, 2877248, 3596560, 5754496, 7193120, 14386240, 28772480]

約数ペア:

[(1, 28772480), (2, 14386240), (4, 7193120), (5, 5754496), (8, 3596560), (10, 2877248), (11, 2615680), (16, 1798280), (20, 1438624), (22, 1307840), (32, 899140), (40, 719312), (44, 653920), (55, 523136), (61, 471680), (64, 449570), (67, 429440), (80, 359656), (88, 326960), (110, 261568), (122, 235840), (128, 224785), (134, 214720), (160, 179828), (176, 163480), (220, 130784), (244, 117920), (268, 107360), (305, 94336), (320, 89914), (335, 85888), (352, 81740), (440, 65392), (488, 58960), (536, 53680), (610, 47168), (640, 44957), (670, 42944), (671, 42880), (704, 40870), (737, 39040), (880, 32696), (976, 29480), (1072, 26840), (1220, 23584), (1340, 21472), (1342, 21440), (1408, 20435), (1474, 19520), (1760, 16348), (1952, 14740), (2144, 13420), (2440, 11792), (2680, 10736), (2684, 10720), (2948, 9760), (3355, 8576), (3520, 8174), (3685, 7808), (3904, 7370), (4087, 7040), (4288, 6710), (4880, 5896), (5360, 5368)]