78802880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 112

約数和(自身を含む): 212933280

約数和(自身を除く): 134130400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 997, 1040, 1216, 1235, 1520, 1976, 1994, 2080, 2470, 3040, 3952, 3988, 4160, 4940, 4985, 6080, 7904, 7976, 9880, 9970, 12961, 15808, 15952, 18943, 19760, 19940, 25922, 31904, 37886, 39520, 39880, 51844, 63808, 64805, 75772, 79040, 79760, 94715, 103688, 129610, 151544, 159520, 189430, 207376, 246259, 259220, 303088, 319040, 378860, 414752, 492518, 518440, 606176, 757720, 829504, 985036, 1036880, 1212352, 1231295, 1515440, 1970072, 2073760, 2462590, 3030880, 3940144, 4147520, 4925180, 6061760, 7880288, 9850360, 15760576, 19700720, 39401440, 78802880]

約数ペア:

[(1, 78802880), (2, 39401440), (4, 19700720), (5, 15760576), (8, 9850360), (10, 7880288), (13, 6061760), (16, 4925180), (19, 4147520), (20, 3940144), (26, 3030880), (32, 2462590), (38, 2073760), (40, 1970072), (52, 1515440), (64, 1231295), (65, 1212352), (76, 1036880), (80, 985036), (95, 829504), (104, 757720), (130, 606176), (152, 518440), (160, 492518), (190, 414752), (208, 378860), (247, 319040), (260, 303088), (304, 259220), (320, 246259), (380, 207376), (416, 189430), (494, 159520), (520, 151544), (608, 129610), (760, 103688), (832, 94715), (988, 79760), (997, 79040), (1040, 75772), (1216, 64805), (1235, 63808), (1520, 51844), (1976, 39880), (1994, 39520), (2080, 37886), (2470, 31904), (3040, 25922), (3952, 19940), (3988, 19760), (4160, 18943), (4940, 15952), (4985, 15808), (6080, 12961), (7904, 9970), (7976, 9880)]