19451198080

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{1433}}^1$

素因数の和:1746

約数の個数: 128

約数和(自身を含む): 47180206080

約数和(自身を除く): 27729008000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 167, 254, 320, 334, 508, 635, 640, 668, 835, 1016, 1270, 1336, 1433, 1670, 2032, 2540, 2672, 2866, 3340, 4064, 5080, 5344, 5732, 6680, 7165, 8128, 10160, 10688, 11464, 13360, 14330, 16256, 20320, 21209, 21376, 22928, 26720, 28660, 40640, 42418, 45856, 53440, 57320, 81280, 84836, 91712, 106045, 106880, 114640, 169672, 181991, 183424, 212090, 229280, 239311, 339344, 363982, 424180, 458560, 478622, 678688, 727964, 848360, 909955, 917120, 957244, 1196555, 1357376, 1455928, 1696720, 1819910, 1914488, 2393110, 2714752, 2911856, 3393440, 3639820, 3828976, 4786220, 5823712, 6786880, 7279640, 7657952, 9572440, 11647424, 13573760, 14559280, 15315904, 19144880, 23294848, 29118560, 30392497, 30631808, 38289760, 58237120, 60784994, 76579520, 116474240, 121569988, 151962485, 153159040, 243139976, 303924970, 486279952, 607849940, 972559904, 1215699880, 1945119808, 2431399760, 3890239616, 4862799520, 9725599040, 19451198080]

約数ペア:

[(1, 19451198080), (2, 9725599040), (4, 4862799520), (5, 3890239616), (8, 2431399760), (10, 1945119808), (16, 1215699880), (20, 972559904), (32, 607849940), (40, 486279952), (64, 303924970), (80, 243139976), (127, 153159040), (128, 151962485), (160, 121569988), (167, 116474240), (254, 76579520), (320, 60784994), (334, 58237120), (508, 38289760), (635, 30631808), (640, 30392497), (668, 29118560), (835, 23294848), (1016, 19144880), (1270, 15315904), (1336, 14559280), (1433, 13573760), (1670, 11647424), (2032, 9572440), (2540, 7657952), (2672, 7279640), (2866, 6786880), (3340, 5823712), (4064, 4786220), (5080, 3828976), (5344, 3639820), (5732, 3393440), (6680, 2911856), (7165, 2714752), (8128, 2393110), (10160, 1914488), (10688, 1819910), (11464, 1696720), (13360, 1455928), (14330, 1357376), (16256, 1196555), (20320, 957244), (21209, 917120), (21376, 909955), (22928, 848360), (26720, 727964), (28660, 678688), (40640, 478622), (42418, 458560), (45856, 424180), (53440, 363982), (57320, 339344), (81280, 239311), (84836, 229280), (91712, 212090), (106045, 183424), (106880, 181991), (114640, 169672)]