78735440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6113}}^1$

素因数の和:6156

約数の個数: 80

約数和(自身を含む): 218343168

約数和(自身を除く): 139607728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6113, 6440, 12226, 12880, 24452, 30565, 42791, 48904, 61130, 85582, 97808, 122260, 140599, 171164, 213955, 244520, 281198, 342328, 427910, 489040, 562396, 684656, 702995, 855820, 984193, 1124792, 1405990, 1711640, 1968386, 2249584, 2811980, 3423280, 3936772, 4920965, 5623960, 7873544, 9841930, 11247920, 15747088, 19683860, 39367720, 78735440]

約数ペア:

[(1, 78735440), (2, 39367720), (4, 19683860), (5, 15747088), (7, 11247920), (8, 9841930), (10, 7873544), (14, 5623960), (16, 4920965), (20, 3936772), (23, 3423280), (28, 2811980), (35, 2249584), (40, 1968386), (46, 1711640), (56, 1405990), (70, 1124792), (80, 984193), (92, 855820), (112, 702995), (115, 684656), (140, 562396), (161, 489040), (184, 427910), (230, 342328), (280, 281198), (322, 244520), (368, 213955), (460, 171164), (560, 140599), (644, 122260), (805, 97808), (920, 85582), (1288, 61130), (1610, 48904), (1840, 42791), (2576, 30565), (3220, 24452), (6113, 12880), (6440, 12226)]