51728640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 174148800

約数和(自身を除く): 122420160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 709, 760, 768, 912, 960, 1140, 1216, 1280, 1418, 1520, 1824, 1920, 2127, 2280, 2432, 2836, 3040, 3545, 3648, 3840, 4254, 4560, 4864, 5672, 6080, 7090, 7296, 8508, 9120, 10635, 11344, 12160, 13471, 14180, 14592, 17016, 18240, 21270, 22688, 24320, 26942, 28360, 34032, 36480, 40413, 42540, 45376, 53884, 56720, 67355, 68064, 72960, 80826, 85080, 90752, 107768, 113440, 134710, 136128, 161652, 170160, 181504, 202065, 215536, 226880, 269420, 272256, 323304, 340320, 404130, 431072, 453760, 538840, 544512, 646608, 680640, 808260, 862144, 907520, 1077680, 1293216, 1361280, 1616520, 1724288, 2155360, 2586432, 2722560, 3233040, 3448576, 4310720, 5172864, 6466080, 8621440, 10345728, 12932160, 17242880, 25864320, 51728640]

約数ペア:

[(1, 51728640), (2, 25864320), (3, 17242880), (4, 12932160), (5, 10345728), (6, 8621440), (8, 6466080), (10, 5172864), (12, 4310720), (15, 3448576), (16, 3233040), (19, 2722560), (20, 2586432), (24, 2155360), (30, 1724288), (32, 1616520), (38, 1361280), (40, 1293216), (48, 1077680), (57, 907520), (60, 862144), (64, 808260), (76, 680640), (80, 646608), (95, 544512), (96, 538840), (114, 453760), (120, 431072), (128, 404130), (152, 340320), (160, 323304), (190, 272256), (192, 269420), (228, 226880), (240, 215536), (256, 202065), (285, 181504), (304, 170160), (320, 161652), (380, 136128), (384, 134710), (456, 113440), (480, 107768), (570, 90752), (608, 85080), (640, 80826), (709, 72960), (760, 68064), (768, 67355), (912, 56720), (960, 53884), (1140, 45376), (1216, 42540), (1280, 40413), (1418, 36480), (1520, 34032), (1824, 28360), (1920, 26942), (2127, 24320), (2280, 22688), (2432, 21270), (2836, 18240), (3040, 17016), (3545, 14592), (3648, 14180), (3840, 13471), (4254, 12160), (4560, 11344), (4864, 10635), (5672, 9120), (6080, 8508), (7090, 7296)]