51268840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 93883160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 419, 437, 460, 532, 644, 665, 760, 805, 838, 874, 920, 1064, 1288, 1330, 1610, 1676, 1748, 2095, 2185, 2660, 2933, 3059, 3220, 3352, 3496, 4190, 4370, 5320, 5866, 6118, 6440, 7961, 8380, 8740, 9637, 11732, 12236, 14665, 15295, 15922, 16760, 17480, 19274, 23464, 24472, 29330, 30590, 31844, 38548, 39805, 48185, 55727, 58660, 61180, 63688, 67459, 77096, 79610, 96370, 111454, 117320, 122360, 134918, 159220, 183103, 192740, 222908, 269836, 278635, 318440, 337295, 366206, 385480, 445816, 539672, 557270, 674590, 732412, 915515, 1114540, 1281721, 1349180, 1464824, 1831030, 2229080, 2563442, 2698360, 3662060, 5126884, 6408605, 7324120, 10253768, 12817210, 25634420, 51268840]

約数ペア:

[(1, 51268840), (2, 25634420), (4, 12817210), (5, 10253768), (7, 7324120), (8, 6408605), (10, 5126884), (14, 3662060), (19, 2698360), (20, 2563442), (23, 2229080), (28, 1831030), (35, 1464824), (38, 1349180), (40, 1281721), (46, 1114540), (56, 915515), (70, 732412), (76, 674590), (92, 557270), (95, 539672), (115, 445816), (133, 385480), (140, 366206), (152, 337295), (161, 318440), (184, 278635), (190, 269836), (230, 222908), (266, 192740), (280, 183103), (322, 159220), (380, 134918), (419, 122360), (437, 117320), (460, 111454), (532, 96370), (644, 79610), (665, 77096), (760, 67459), (805, 63688), (838, 61180), (874, 58660), (920, 55727), (1064, 48185), (1288, 39805), (1330, 38548), (1610, 31844), (1676, 30590), (1748, 29330), (2095, 24472), (2185, 23464), (2660, 19274), (2933, 17480), (3059, 16760), (3220, 15922), (3352, 15295), (3496, 14665), (4190, 12236), (4370, 11732), (5320, 9637), (5866, 8740), (6118, 8380), (6440, 7961)]