257665920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2003}}^1$

素因数の和:2092

約数の個数: 128

約数和(自身を含む): 833984640

約数和(自身を除く): 576318720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 320, 335, 384, 402, 480, 536, 640, 670, 804, 960, 1005, 1072, 1340, 1608, 1920, 2003, 2010, 2144, 2680, 3216, 4006, 4020, 4288, 5360, 6009, 6432, 8012, 8040, 8576, 10015, 10720, 12018, 12864, 16024, 16080, 20030, 21440, 24036, 25728, 30045, 32048, 32160, 40060, 42880, 48072, 60090, 64096, 64320, 80120, 96144, 120180, 128192, 128640, 134201, 160240, 192288, 240360, 256384, 268402, 320480, 384576, 402603, 480720, 536804, 640960, 671005, 769152, 805206, 961440, 1073608, 1281920, 1342010, 1610412, 1922880, 2013015, 2147216, 2684020, 3220824, 3845760, 4026030, 4294432, 5368040, 6441648, 8052060, 8588864, 10736080, 12883296, 16104120, 17177728, 21472160, 25766592, 32208240, 42944320, 51533184, 64416480, 85888640, 128832960, 257665920]

約数ペア:

[(1, 257665920), (2, 128832960), (3, 85888640), (4, 64416480), (5, 51533184), (6, 42944320), (8, 32208240), (10, 25766592), (12, 21472160), (15, 17177728), (16, 16104120), (20, 12883296), (24, 10736080), (30, 8588864), (32, 8052060), (40, 6441648), (48, 5368040), (60, 4294432), (64, 4026030), (67, 3845760), (80, 3220824), (96, 2684020), (120, 2147216), (128, 2013015), (134, 1922880), (160, 1610412), (192, 1342010), (201, 1281920), (240, 1073608), (268, 961440), (320, 805206), (335, 769152), (384, 671005), (402, 640960), (480, 536804), (536, 480720), (640, 402603), (670, 384576), (804, 320480), (960, 268402), (1005, 256384), (1072, 240360), (1340, 192288), (1608, 160240), (1920, 134201), (2003, 128640), (2010, 128192), (2144, 120180), (2680, 96144), (3216, 80120), (4006, 64320), (4020, 64096), (4288, 60090), (5360, 48072), (6009, 42880), (6432, 40060), (8012, 32160), (8040, 32048), (8576, 30045), (10015, 25728), (10720, 24036), (12018, 21440), (12864, 20030), (16024, 16080)]