84780128

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 72

約数和(自身を含む): 181462680

約数和(自身を除く): 96682552

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 179, 304, 328, 358, 361, 608, 656, 716, 722, 779, 1312, 1432, 1444, 1558, 2864, 2888, 3116, 3401, 5728, 5776, 6232, 6802, 7339, 11552, 12464, 13604, 14678, 14801, 24928, 27208, 29356, 29602, 54416, 58712, 59204, 64619, 108832, 117424, 118408, 129238, 139441, 234848, 236816, 258476, 278882, 473632, 516952, 557764, 1033904, 1115528, 2067808, 2231056, 2649379, 4462112, 5298758, 10597516, 21195032, 42390064, 84780128]

約数ペア:

[(1, 84780128), (2, 42390064), (4, 21195032), (8, 10597516), (16, 5298758), (19, 4462112), (32, 2649379), (38, 2231056), (41, 2067808), (76, 1115528), (82, 1033904), (152, 557764), (164, 516952), (179, 473632), (304, 278882), (328, 258476), (358, 236816), (361, 234848), (608, 139441), (656, 129238), (716, 118408), (722, 117424), (779, 108832), (1312, 64619), (1432, 59204), (1444, 58712), (1558, 54416), (2864, 29602), (2888, 29356), (3116, 27208), (3401, 24928), (5728, 14801), (5776, 14678), (6232, 13604), (6802, 12464), (7339, 11552)]