131071880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 323011800

約数和(自身を除く): 191939920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 313, 361, 380, 551, 580, 626, 722, 760, 1102, 1160, 1252, 1444, 1565, 1805, 2204, 2504, 2755, 2888, 3130, 3610, 4408, 5510, 5947, 6260, 7220, 9077, 10469, 11020, 11894, 12520, 14440, 18154, 20938, 22040, 23788, 29735, 36308, 41876, 45385, 47576, 52345, 59470, 72616, 83752, 90770, 104690, 112993, 118940, 172463, 181540, 209380, 225986, 237880, 344926, 363080, 418760, 451972, 564965, 689852, 862315, 903944, 1129930, 1379704, 1724630, 2259860, 3276797, 3449260, 4519720, 6553594, 6898520, 13107188, 16383985, 26214376, 32767970, 65535940, 131071880]

約数ペア:

[(1, 131071880), (2, 65535940), (4, 32767970), (5, 26214376), (8, 16383985), (10, 13107188), (19, 6898520), (20, 6553594), (29, 4519720), (38, 3449260), (40, 3276797), (58, 2259860), (76, 1724630), (95, 1379704), (116, 1129930), (145, 903944), (152, 862315), (190, 689852), (232, 564965), (290, 451972), (313, 418760), (361, 363080), (380, 344926), (551, 237880), (580, 225986), (626, 209380), (722, 181540), (760, 172463), (1102, 118940), (1160, 112993), (1252, 104690), (1444, 90770), (1565, 83752), (1805, 72616), (2204, 59470), (2504, 52345), (2755, 47576), (2888, 45385), (3130, 41876), (3610, 36308), (4408, 29735), (5510, 23788), (5947, 22040), (6260, 20938), (7220, 18154), (9077, 14440), (10469, 12520), (11020, 11894)]