254518160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 671956992

約数和(自身を除く): 417438832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 47, 52, 65, 80, 82, 94, 104, 127, 130, 164, 188, 205, 208, 235, 254, 260, 328, 376, 410, 470, 508, 520, 533, 611, 635, 656, 752, 820, 940, 1016, 1040, 1066, 1222, 1270, 1640, 1651, 1880, 1927, 2032, 2132, 2444, 2540, 2665, 3055, 3280, 3302, 3760, 3854, 4264, 4888, 5080, 5207, 5330, 5969, 6110, 6604, 7708, 8255, 8528, 9635, 9776, 10160, 10414, 10660, 11938, 12220, 13208, 15416, 16510, 19270, 20828, 21320, 23876, 24440, 25051, 26035, 26416, 29845, 30832, 33020, 38540, 41656, 42640, 47752, 48880, 50102, 52070, 59690, 66040, 67691, 77080, 77597, 83312, 95504, 100204, 104140, 119380, 125255, 132080, 135382, 154160, 155194, 200408, 208280, 238760, 244729, 250510, 270764, 310388, 338455, 387985, 400816, 416560, 477520, 489458, 501020, 541528, 620776, 676910, 775970, 978916, 1002040, 1083056, 1223645, 1241552, 1353820, 1551940, 1957832, 2004080, 2447290, 2707640, 3103880, 3181477, 3915664, 4894580, 5415280, 6207760, 6362954, 9789160, 12725908, 15907385, 19578320, 25451816, 31814770, 50903632, 63629540, 127259080, 254518160]

約数ペア:

[(1, 254518160), (2, 127259080), (4, 63629540), (5, 50903632), (8, 31814770), (10, 25451816), (13, 19578320), (16, 15907385), (20, 12725908), (26, 9789160), (40, 6362954), (41, 6207760), (47, 5415280), (52, 4894580), (65, 3915664), (80, 3181477), (82, 3103880), (94, 2707640), (104, 2447290), (127, 2004080), (130, 1957832), (164, 1551940), (188, 1353820), (205, 1241552), (208, 1223645), (235, 1083056), (254, 1002040), (260, 978916), (328, 775970), (376, 676910), (410, 620776), (470, 541528), (508, 501020), (520, 489458), (533, 477520), (611, 416560), (635, 400816), (656, 387985), (752, 338455), (820, 310388), (940, 270764), (1016, 250510), (1040, 244729), (1066, 238760), (1222, 208280), (1270, 200408), (1640, 155194), (1651, 154160), (1880, 135382), (1927, 132080), (2032, 125255), (2132, 119380), (2444, 104140), (2540, 100204), (2665, 95504), (3055, 83312), (3280, 77597), (3302, 77080), (3760, 67691), (3854, 66040), (4264, 59690), (4888, 52070), (5080, 50102), (5207, 48880), (5330, 47752), (5969, 42640), (6110, 41656), (6604, 38540), (7708, 33020), (8255, 30832), (8528, 29845), (9635, 26416), (9776, 26035), (10160, 25051), (10414, 24440), (10660, 23876), (11938, 21320), (12220, 20828), (13208, 19270), (15416, 16510)]