128755760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5410

約数の個数: 80

約数和(自身を含む): 350144256

約数和(自身を除く): 221388496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 5347, 6020, 10694, 12040, 21388, 24080, 26735, 37429, 42776, 53470, 74858, 85552, 106940, 149716, 187145, 213880, 229921, 299432, 374290, 427760, 459842, 598864, 748580, 919684, 1149605, 1497160, 1609447, 1839368, 2299210, 2994320, 3218894, 3678736, 4598420, 6437788, 8047235, 9196840, 12875576, 16094470, 18393680, 25751152, 32188940, 64377880, 128755760]

約数ペア:

[(1, 128755760), (2, 64377880), (4, 32188940), (5, 25751152), (7, 18393680), (8, 16094470), (10, 12875576), (14, 9196840), (16, 8047235), (20, 6437788), (28, 4598420), (35, 3678736), (40, 3218894), (43, 2994320), (56, 2299210), (70, 1839368), (80, 1609447), (86, 1497160), (112, 1149605), (140, 919684), (172, 748580), (215, 598864), (280, 459842), (301, 427760), (344, 374290), (430, 299432), (560, 229921), (602, 213880), (688, 187145), (860, 149716), (1204, 106940), (1505, 85552), (1720, 74858), (2408, 53470), (3010, 42776), (3440, 37429), (4816, 26735), (5347, 24080), (6020, 21388), (10694, 12040)]