80578240

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:522

約数の個数: 112

約数和(自身を含む): 209397600

約数和(自身を除く): 128819360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 320, 380, 457, 464, 551, 580, 608, 760, 914, 928, 1102, 1160, 1216, 1520, 1828, 1856, 2204, 2285, 2320, 2755, 3040, 3656, 4408, 4570, 4640, 5510, 6080, 7312, 8683, 8816, 9140, 9280, 11020, 13253, 14624, 17366, 17632, 18280, 22040, 26506, 29248, 34732, 35264, 36560, 43415, 44080, 53012, 66265, 69464, 73120, 86830, 88160, 106024, 132530, 138928, 146240, 173660, 176320, 212048, 251807, 265060, 277856, 347320, 424096, 503614, 530120, 555712, 694640, 848192, 1007228, 1060240, 1259035, 1389280, 2014456, 2120480, 2518070, 2778560, 4028912, 4240960, 5036140, 8057824, 10072280, 16115648, 20144560, 40289120, 80578240]

約数ペア:

[(1, 80578240), (2, 40289120), (4, 20144560), (5, 16115648), (8, 10072280), (10, 8057824), (16, 5036140), (19, 4240960), (20, 4028912), (29, 2778560), (32, 2518070), (38, 2120480), (40, 2014456), (58, 1389280), (64, 1259035), (76, 1060240), (80, 1007228), (95, 848192), (116, 694640), (145, 555712), (152, 530120), (160, 503614), (190, 424096), (232, 347320), (290, 277856), (304, 265060), (320, 251807), (380, 212048), (457, 176320), (464, 173660), (551, 146240), (580, 138928), (608, 132530), (760, 106024), (914, 88160), (928, 86830), (1102, 73120), (1160, 69464), (1216, 66265), (1520, 53012), (1828, 44080), (1856, 43415), (2204, 36560), (2285, 35264), (2320, 34732), (2755, 29248), (3040, 26506), (3656, 22040), (4408, 18280), (4570, 17632), (4640, 17366), (5510, 14624), (6080, 13253), (7312, 11020), (8683, 9280), (8816, 9140)]