161445888

素因数分解:

$2^{11}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 491891400

約数和(自身を除く): 330445512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 461, 512, 576, 608, 684, 768, 912, 922, 1024, 1152, 1216, 1368, 1383, 1536, 1824, 1844, 2048, 2304, 2432, 2736, 2766, 3072, 3648, 3688, 4149, 4608, 4864, 5472, 5532, 6144, 7296, 7376, 8298, 8759, 9216, 9728, 10944, 11064, 14592, 14752, 16596, 17518, 18432, 19456, 21888, 22128, 26277, 29184, 29504, 33192, 35036, 38912, 43776, 44256, 52554, 58368, 59008, 66384, 70072, 78831, 87552, 88512, 105108, 116736, 118016, 132768, 140144, 157662, 175104, 177024, 210216, 236032, 265536, 280288, 315324, 350208, 354048, 420432, 472064, 531072, 560576, 630648, 708096, 840864, 944128, 1062144, 1121152, 1261296, 1416192, 1681728, 2124288, 2242304, 2522592, 2832384, 3363456, 4248576, 4484608, 5045184, 6726912, 8497152, 8969216, 10090368, 13453824, 17938432, 20180736, 26907648, 40361472, 53815296, 80722944, 161445888]

約数ペア:

[(1, 161445888), (2, 80722944), (3, 53815296), (4, 40361472), (6, 26907648), (8, 20180736), (9, 17938432), (12, 13453824), (16, 10090368), (18, 8969216), (19, 8497152), (24, 6726912), (32, 5045184), (36, 4484608), (38, 4248576), (48, 3363456), (57, 2832384), (64, 2522592), (72, 2242304), (76, 2124288), (96, 1681728), (114, 1416192), (128, 1261296), (144, 1121152), (152, 1062144), (171, 944128), (192, 840864), (228, 708096), (256, 630648), (288, 560576), (304, 531072), (342, 472064), (384, 420432), (456, 354048), (461, 350208), (512, 315324), (576, 280288), (608, 265536), (684, 236032), (768, 210216), (912, 177024), (922, 175104), (1024, 157662), (1152, 140144), (1216, 132768), (1368, 118016), (1383, 116736), (1536, 105108), (1824, 88512), (1844, 87552), (2048, 78831), (2304, 70072), (2432, 66384), (2736, 59008), (2766, 58368), (3072, 52554), (3648, 44256), (3688, 43776), (4149, 38912), (4608, 35036), (4864, 33192), (5472, 29504), (5532, 29184), (6144, 26277), (7296, 22128), (7376, 21888), (8298, 19456), (8759, 18432), (9216, 17518), (9728, 16596), (10944, 14752), (11064, 14592)]