128464784

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 304444800

約数和(自身を除く): 175980016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 109, 112, 119, 136, 218, 238, 272, 436, 476, 619, 763, 872, 952, 1238, 1526, 1744, 1853, 1904, 2476, 3052, 3706, 4333, 4952, 6104, 7412, 8666, 9904, 10523, 12208, 12971, 14824, 17332, 21046, 25942, 29648, 34664, 42092, 51884, 67471, 69328, 73661, 84184, 103768, 134942, 147322, 168368, 207536, 269884, 294644, 472297, 539768, 589288, 944594, 1079536, 1147007, 1178576, 1889188, 2294014, 3778376, 4588028, 7556752, 8029049, 9176056, 16058098, 18352112, 32116196, 64232392, 128464784]

約数ペア:

[(1, 128464784), (2, 64232392), (4, 32116196), (7, 18352112), (8, 16058098), (14, 9176056), (16, 8029049), (17, 7556752), (28, 4588028), (34, 3778376), (56, 2294014), (68, 1889188), (109, 1178576), (112, 1147007), (119, 1079536), (136, 944594), (218, 589288), (238, 539768), (272, 472297), (436, 294644), (476, 269884), (619, 207536), (763, 168368), (872, 147322), (952, 134942), (1238, 103768), (1526, 84184), (1744, 73661), (1853, 69328), (1904, 67471), (2476, 51884), (3052, 42092), (3706, 34664), (4333, 29648), (4952, 25942), (6104, 21046), (7412, 17332), (8666, 14824), (9904, 12971), (10523, 12208)]