160806880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 144

約数和(自身を含む): 434412720

約数和(自身を除く): 273605840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 313, 338, 380, 416, 494, 520, 608, 626, 676, 760, 845, 988, 1040, 1235, 1252, 1352, 1520, 1565, 1690, 1976, 2080, 2470, 2504, 2704, 3040, 3130, 3211, 3380, 3952, 4069, 4940, 5008, 5408, 5947, 6260, 6422, 6760, 7904, 8138, 9880, 10016, 11894, 12520, 12844, 13520, 16055, 16276, 19760, 20345, 23788, 25040, 25688, 27040, 29735, 32110, 32552, 39520, 40690, 47576, 50080, 51376, 52897, 59470, 64220, 65104, 77311, 81380, 95152, 102752, 105794, 118940, 128440, 130208, 154622, 162760, 190304, 211588, 237880, 256880, 264485, 309244, 325520, 386555, 423176, 475760, 513760, 528970, 618488, 651040, 773110, 846352, 951520, 1005043, 1057940, 1236976, 1546220, 1692704, 2010086, 2115880, 2473952, 3092440, 4020172, 4231760, 5025215, 6184880, 8040344, 8463520, 10050430, 12369760, 16080688, 20100860, 32161376, 40201720, 80403440, 160806880]

約数ペア:

[(1, 160806880), (2, 80403440), (4, 40201720), (5, 32161376), (8, 20100860), (10, 16080688), (13, 12369760), (16, 10050430), (19, 8463520), (20, 8040344), (26, 6184880), (32, 5025215), (38, 4231760), (40, 4020172), (52, 3092440), (65, 2473952), (76, 2115880), (80, 2010086), (95, 1692704), (104, 1546220), (130, 1236976), (152, 1057940), (160, 1005043), (169, 951520), (190, 846352), (208, 773110), (247, 651040), (260, 618488), (304, 528970), (313, 513760), (338, 475760), (380, 423176), (416, 386555), (494, 325520), (520, 309244), (608, 264485), (626, 256880), (676, 237880), (760, 211588), (845, 190304), (988, 162760), (1040, 154622), (1235, 130208), (1252, 128440), (1352, 118940), (1520, 105794), (1565, 102752), (1690, 95152), (1976, 81380), (2080, 77311), (2470, 65104), (2504, 64220), (2704, 59470), (3040, 52897), (3130, 51376), (3211, 50080), (3380, 47576), (3952, 40690), (4069, 39520), (4940, 32552), (5008, 32110), (5408, 29735), (5947, 27040), (6260, 25688), (6422, 25040), (6760, 23788), (7904, 20345), (8138, 19760), (9880, 16276), (10016, 16055), (11894, 13520), (12520, 12844)]