78018640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 209129472

約数和(自身を除く): 131110832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1097, 1270, 1778, 2032, 2194, 2540, 3556, 4388, 4445, 5080, 5485, 7112, 7679, 8776, 8890, 10160, 10970, 14224, 15358, 17552, 17780, 21940, 30716, 35560, 38395, 43880, 61432, 71120, 76790, 87760, 122864, 139319, 153580, 278638, 307160, 557276, 614320, 696595, 975233, 1114552, 1393190, 1950466, 2229104, 2786380, 3900932, 4876165, 5572760, 7801864, 9752330, 11145520, 15603728, 19504660, 39009320, 78018640]

約数ペア:

[(1, 78018640), (2, 39009320), (4, 19504660), (5, 15603728), (7, 11145520), (8, 9752330), (10, 7801864), (14, 5572760), (16, 4876165), (20, 3900932), (28, 2786380), (35, 2229104), (40, 1950466), (56, 1393190), (70, 1114552), (80, 975233), (112, 696595), (127, 614320), (140, 557276), (254, 307160), (280, 278638), (508, 153580), (560, 139319), (635, 122864), (889, 87760), (1016, 76790), (1097, 71120), (1270, 61432), (1778, 43880), (2032, 38395), (2194, 35560), (2540, 30716), (3556, 21940), (4388, 17780), (4445, 17552), (5080, 15358), (5485, 14224), (7112, 10970), (7679, 10160), (8776, 8890)]