320120208

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 160

約数和(自身を含む): 990809600

約数和(自身を除く): 670689392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 43, 48, 54, 57, 72, 76, 86, 108, 114, 129, 144, 152, 171, 172, 216, 228, 258, 304, 342, 344, 387, 432, 456, 513, 516, 684, 688, 774, 817, 907, 912, 1026, 1032, 1161, 1368, 1548, 1634, 1814, 2052, 2064, 2322, 2451, 2721, 2736, 3096, 3268, 3628, 4104, 4644, 4902, 5442, 6192, 6536, 7256, 7353, 8163, 8208, 9288, 9804, 10884, 13072, 14512, 14706, 16326, 17233, 18576, 19608, 21768, 22059, 24489, 29412, 32652, 34466, 39001, 39216, 43536, 44118, 48978, 51699, 58824, 65304, 68932, 78002, 88236, 97956, 103398, 117003, 117648, 130608, 137864, 155097, 156004, 176472, 195912, 206796, 234006, 275728, 310194, 312008, 351009, 352944, 391824, 413592, 465291, 468012, 620388, 624016, 702018, 741019, 827184, 930582, 936024, 1053027, 1240776, 1404036, 1482038, 1861164, 1872048, 2106054, 2223057, 2481552, 2808072, 2964076, 3722328, 4212108, 4446114, 5616144, 5928152, 6669171, 7444656, 8424216, 8892228, 11856304, 13338342, 16848432, 17784456, 20007513, 26676684, 35568912, 40015026, 53353368, 80030052, 106706736, 160060104, 320120208]

約数ペア:

[(1, 320120208), (2, 160060104), (3, 106706736), (4, 80030052), (6, 53353368), (8, 40015026), (9, 35568912), (12, 26676684), (16, 20007513), (18, 17784456), (19, 16848432), (24, 13338342), (27, 11856304), (36, 8892228), (38, 8424216), (43, 7444656), (48, 6669171), (54, 5928152), (57, 5616144), (72, 4446114), (76, 4212108), (86, 3722328), (108, 2964076), (114, 2808072), (129, 2481552), (144, 2223057), (152, 2106054), (171, 1872048), (172, 1861164), (216, 1482038), (228, 1404036), (258, 1240776), (304, 1053027), (342, 936024), (344, 930582), (387, 827184), (432, 741019), (456, 702018), (513, 624016), (516, 620388), (684, 468012), (688, 465291), (774, 413592), (817, 391824), (907, 352944), (912, 351009), (1026, 312008), (1032, 310194), (1161, 275728), (1368, 234006), (1548, 206796), (1634, 195912), (1814, 176472), (2052, 156004), (2064, 155097), (2322, 137864), (2451, 130608), (2721, 117648), (2736, 117003), (3096, 103398), (3268, 97956), (3628, 88236), (4104, 78002), (4644, 68932), (4902, 65304), (5442, 58824), (6192, 51699), (6536, 48978), (7256, 44118), (7353, 43536), (8163, 39216), (8208, 39001), (9288, 34466), (9804, 32652), (10884, 29412), (13072, 24489), (14512, 22059), (14706, 21768), (16326, 19608), (17233, 18576)]