128149120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 339292800

約数和(自身を除く): 211143680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 128, 160, 167, 176, 218, 220, 320, 334, 352, 436, 440, 545, 640, 668, 704, 835, 872, 880, 1090, 1199, 1336, 1408, 1670, 1744, 1760, 1837, 2180, 2398, 2672, 3340, 3488, 3520, 3674, 4360, 4796, 5344, 5995, 6680, 6976, 7040, 7348, 8720, 9185, 9592, 10688, 11990, 13360, 13952, 14696, 17440, 18203, 18370, 19184, 21376, 23980, 26720, 29392, 34880, 36406, 36740, 38368, 47960, 53440, 58784, 69760, 72812, 73480, 76736, 91015, 95920, 106880, 117568, 145624, 146960, 153472, 182030, 191840, 200233, 235136, 291248, 293920, 364060, 383680, 400466, 582496, 587840, 728120, 767360, 800932, 1001165, 1164992, 1175680, 1456240, 1601864, 2002330, 2329984, 2912480, 3203728, 4004660, 5824960, 6407456, 8009320, 11649920, 12814912, 16018640, 25629824, 32037280, 64074560, 128149120]

約数ペア:

[(1, 128149120), (2, 64074560), (4, 32037280), (5, 25629824), (8, 16018640), (10, 12814912), (11, 11649920), (16, 8009320), (20, 6407456), (22, 5824960), (32, 4004660), (40, 3203728), (44, 2912480), (55, 2329984), (64, 2002330), (80, 1601864), (88, 1456240), (109, 1175680), (110, 1164992), (128, 1001165), (160, 800932), (167, 767360), (176, 728120), (218, 587840), (220, 582496), (320, 400466), (334, 383680), (352, 364060), (436, 293920), (440, 291248), (545, 235136), (640, 200233), (668, 191840), (704, 182030), (835, 153472), (872, 146960), (880, 145624), (1090, 117568), (1199, 106880), (1336, 95920), (1408, 91015), (1670, 76736), (1744, 73480), (1760, 72812), (1837, 69760), (2180, 58784), (2398, 53440), (2672, 47960), (3340, 38368), (3488, 36740), (3520, 36406), (3674, 34880), (4360, 29392), (4796, 26720), (5344, 23980), (5995, 21376), (6680, 19184), (6976, 18370), (7040, 18203), (7348, 17440), (8720, 14696), (9185, 13952), (9592, 13360), (10688, 11990)]