81378432

素因数分解:

$2^7\times 3^4\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 248814720

約数和(自身を除く): 167436288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 81, 94, 96, 108, 128, 141, 144, 162, 167, 188, 192, 216, 282, 288, 324, 334, 376, 384, 423, 432, 501, 564, 576, 648, 668, 752, 846, 864, 1002, 1128, 1152, 1269, 1296, 1336, 1503, 1504, 1692, 1728, 2004, 2256, 2538, 2592, 2672, 3006, 3008, 3384, 3456, 3807, 4008, 4509, 4512, 5076, 5184, 5344, 6012, 6016, 6768, 7614, 7849, 8016, 9018, 9024, 10152, 10368, 10688, 12024, 13527, 13536, 15228, 15698, 16032, 18036, 18048, 20304, 21376, 23547, 24048, 27054, 27072, 30456, 31396, 32064, 36072, 40608, 47094, 48096, 54108, 54144, 60912, 62792, 64128, 70641, 72144, 81216, 94188, 96192, 108216, 121824, 125584, 141282, 144288, 162432, 188376, 192384, 211923, 216432, 243648, 251168, 282564, 288576, 376752, 423846, 432864, 487296, 502336, 565128, 577152, 635769, 753504, 847692, 865728, 1004672, 1130256, 1271538, 1507008, 1695384, 1731456, 2260512, 2543076, 3014016, 3390768, 4521024, 5086152, 6781536, 9042048, 10172304, 13563072, 20344608, 27126144, 40689216, 81378432]

約数ペア:

[(1, 81378432), (2, 40689216), (3, 27126144), (4, 20344608), (6, 13563072), (8, 10172304), (9, 9042048), (12, 6781536), (16, 5086152), (18, 4521024), (24, 3390768), (27, 3014016), (32, 2543076), (36, 2260512), (47, 1731456), (48, 1695384), (54, 1507008), (64, 1271538), (72, 1130256), (81, 1004672), (94, 865728), (96, 847692), (108, 753504), (128, 635769), (141, 577152), (144, 565128), (162, 502336), (167, 487296), (188, 432864), (192, 423846), (216, 376752), (282, 288576), (288, 282564), (324, 251168), (334, 243648), (376, 216432), (384, 211923), (423, 192384), (432, 188376), (501, 162432), (564, 144288), (576, 141282), (648, 125584), (668, 121824), (752, 108216), (846, 96192), (864, 94188), (1002, 81216), (1128, 72144), (1152, 70641), (1269, 64128), (1296, 62792), (1336, 60912), (1503, 54144), (1504, 54108), (1692, 48096), (1728, 47094), (2004, 40608), (2256, 36072), (2538, 32064), (2592, 31396), (2672, 30456), (3006, 27072), (3008, 27054), (3384, 24048), (3456, 23547), (3807, 21376), (4008, 20304), (4509, 18048), (4512, 18036), (5076, 16032), (5184, 15698), (5344, 15228), (6012, 13536), (6016, 13527), (6768, 12024), (7614, 10688), (7849, 10368), (8016, 10152), (9018, 9024)]