128540928

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 376750080

約数和(自身を除く): 248209152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 64, 69, 76, 92, 96, 114, 128, 138, 152, 184, 192, 228, 256, 276, 304, 368, 383, 384, 437, 456, 552, 608, 736, 766, 768, 874, 912, 1104, 1149, 1216, 1311, 1472, 1532, 1748, 1824, 2208, 2298, 2432, 2622, 2944, 3064, 3496, 3648, 4416, 4596, 4864, 5244, 5888, 6128, 6992, 7277, 7296, 8809, 8832, 9192, 10488, 12256, 13984, 14554, 14592, 17618, 17664, 18384, 20976, 21831, 24512, 26427, 27968, 29108, 35236, 36768, 41952, 43662, 49024, 52854, 55936, 58216, 70472, 73536, 83904, 87324, 98048, 105708, 111872, 116432, 140944, 147072, 167371, 167808, 174648, 211416, 232864, 281888, 294144, 334742, 335616, 349296, 422832, 465728, 502113, 563776, 669484, 698592, 845664, 931456, 1004226, 1127552, 1338968, 1397184, 1691328, 1862912, 2008452, 2255104, 2677936, 2794368, 3382656, 4016904, 5355872, 5588736, 6765312, 8033808, 10711744, 16067616, 21423488, 32135232, 42846976, 64270464, 128540928]

約数ペア:

[(1, 128540928), (2, 64270464), (3, 42846976), (4, 32135232), (6, 21423488), (8, 16067616), (12, 10711744), (16, 8033808), (19, 6765312), (23, 5588736), (24, 5355872), (32, 4016904), (38, 3382656), (46, 2794368), (48, 2677936), (57, 2255104), (64, 2008452), (69, 1862912), (76, 1691328), (92, 1397184), (96, 1338968), (114, 1127552), (128, 1004226), (138, 931456), (152, 845664), (184, 698592), (192, 669484), (228, 563776), (256, 502113), (276, 465728), (304, 422832), (368, 349296), (383, 335616), (384, 334742), (437, 294144), (456, 281888), (552, 232864), (608, 211416), (736, 174648), (766, 167808), (768, 167371), (874, 147072), (912, 140944), (1104, 116432), (1149, 111872), (1216, 105708), (1311, 98048), (1472, 87324), (1532, 83904), (1748, 73536), (1824, 70472), (2208, 58216), (2298, 55936), (2432, 52854), (2622, 49024), (2944, 43662), (3064, 41952), (3496, 36768), (3648, 35236), (4416, 29108), (4596, 27968), (4864, 26427), (5244, 24512), (5888, 21831), (6128, 20976), (6992, 18384), (7277, 17664), (7296, 17618), (8809, 14592), (8832, 14554), (9192, 13984), (10488, 12256)]